2025-06-04 23:35:35 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: C:\Users\TTOMCZA.EMEA\Dev\Projektarbeit-MYP\backend\instance\printer_manager.db
2025-06-04 23:35:39 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-04 23:35:40 - [app] app - [INFO] INFO - ✅ Timeout Force-Quit Manager geladen
2025-06-04 23:35:40 - [app] app - [INFO] INFO - 📋 Standard-Konfiguration verwendet
2025-06-04 23:35:40 - [app] app - [INFO] INFO - ✅ Zentraler Shutdown-Manager initialisiert
2025-06-04 23:35:40 - [app] app - [INFO] INFO - ✅ Error-Recovery-Monitoring gestartet
2025-06-04 23:35:40 - [app] app - [INFO] INFO - ✅ System-Control-Manager initialisiert
2025-06-04 23:35:40 - [app] app - [WARNING] WARNING - ⚠️ Kiosk-Service nicht gefunden - Kiosk-Funktionen eventuell eingeschränkt
2025-06-04 23:35:40 - [app] app - [INFO] INFO - 🔄 Starte Datenbank-Setup und Migrationen...
2025-06-04 23:35:40 - [app] app - [INFO] INFO - Datenbank mit Optimierungen initialisiert
2025-06-04 23:35:40 - [app] app - [INFO] INFO - ✅ JobOrder-Tabelle bereits vorhanden
2025-06-04 23:35:40 - [app] app - [INFO] INFO - Admin-Benutzer admin (admin@mercedes-benz.com) wurde angelegt.
2025-06-04 23:35:40 - [app] app - [INFO] INFO - ✅ Datenbank-Setup und Migrationen erfolgreich abgeschlossen
2025-06-04 23:35:40 - [app] app - [INFO] INFO - 📋 Standard-Konfiguration aktiv (keine Optimierungen)
2025-06-04 23:35:40 - [app] app - [INFO] INFO - 🖨️ Starte automatische Steckdosen-Initialisierung...
2025-06-04 23:35:40 - [app] app - [INFO] INFO - ℹ️ Keine Drucker zur Initialisierung gefunden
2025-06-04 23:35:40 - [app] app - [INFO] INFO - ✅ Printer Queue Manager erfolgreich gestartet
2025-06-04 23:35:40 - [app] app - [INFO] INFO - Job-Scheduler gestartet
2025-06-04 23:35:40 - [app] app - [INFO] INFO - 🔄 Bereinige hängende Prozesse auf Port 5000...
2025-06-04 23:35:41 - [app] app - [INFO] INFO - 🚀 Starte Production Server (Waitress) auf 127.0.0.1:5000
2025-06-04 23:35:41 - [app] app - [INFO] INFO - 💡 Kiosk-Browser sollte http://127.0.0.1:5000 verwenden
2025-06-04 23:35:41 - [app] app - [INFO] INFO - ✅ IPv6-Probleme behoben durch IPv4-only Binding
2025-06-04 23:35:41 - [app] app - [INFO] INFO - ✅ Performance optimiert für Kiosk-Betrieb
2025-06-04 23:36:52 - [app] app - [INFO] INFO - Admin-Check für Funktion admin_plug_schedules: User authenticated: True, User ID: 1, Is Admin: True
2025-06-04 23:36:52 - [app] app - [INFO] INFO - Admin Administrator (ID: 1) öffnet Steckdosenschaltzeiten
2025-06-04 23:36:52 - [app] app - [ERROR] ERROR - Datenbank-Transaktion fehlgeschlagen: name 'func' is not defined
2025-06-04 23:36:52 - [app] app - [ERROR] ERROR - Fehler beim Erstellen der Steckdosen-Statistiken: name 'func' is not defined
2025-06-04 23:36:53 - [app] app - [INFO] INFO - Admin-Check für Funktion api_admin_plug_schedules_calendar: User authenticated: True, User ID: 1, Is Admin: True
2025-06-04 23:36:53 - [app] app - [INFO] INFO - Admin-Check für Funktion api_admin_plug_schedules_statistics: User authenticated: True, User ID: 1, Is Admin: True
2025-06-04 23:36:53 - [app] app - [ERROR] ERROR - Datenbank-Transaktion fehlgeschlagen: name 'func' is not defined
2025-06-04 23:36:53 - [app] app - [ERROR] ERROR - Fehler beim Erstellen der Steckdosen-Statistiken: name 'func' is not defined
2025-06-04 23:37:26 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: C:\Users\TTOMCZA.EMEA\Dev\Projektarbeit-MYP\backend\instance\printer_manager.db
2025-06-04 23:37:30 - [app] app - [INFO] INFO - Dashboard-Refresh angefordert von User 1
2025-06-04 23:37:30 - [app] app - [INFO] INFO - Dashboard-Refresh angefordert von User 1
2025-06-04 23:37:30 - [app] app - [INFO] INFO - Dashboard-Refresh erfolgreich: {'active_jobs': 0, 'available_printers': 0, 'total_jobs': 0, 'pending_jobs': 0, 'success_rate': 0, 'completed_jobs': 0, 'failed_jobs': 0, 'cancelled_jobs': 0, 'total_users': 1, 'online_printers': 0, 'offline_printers': 0}
2025-06-04 23:37:30 - [app] app - [INFO] INFO - Dashboard-Refresh erfolgreich: {'active_jobs': 0, 'available_printers': 0, 'total_jobs': 0, 'pending_jobs': 0, 'success_rate': 0, 'completed_jobs': 0, 'failed_jobs': 0, 'cancelled_jobs': 0, 'total_users': 1, 'online_printers': 0, 'offline_printers': 0}
2025-06-04 23:38:02 - [app] app - [INFO] INFO - Dashboard-Refresh angefordert von User 1
2025-06-04 23:38:02 - [app] app - [INFO] INFO - Dashboard-Refresh erfolgreich: {'active_jobs': 0, 'available_printers': 0, 'total_jobs': 0, 'pending_jobs': 0, 'success_rate': 0, 'completed_jobs': 0, 'failed_jobs': 0, 'cancelled_jobs': 0, 'total_users': 1, 'online_printers': 0, 'offline_printers': 0}
2025-06-04 23:38:02 - [app] app - [INFO] INFO - Dashboard-Refresh angefordert von User 1
2025-06-04 23:38:02 - [app] app - [INFO] INFO - Dashboard-Refresh erfolgreich: {'active_jobs': 0, 'available_printers': 0, 'total_jobs': 0, 'pending_jobs': 0, 'success_rate': 0, 'completed_jobs': 0, 'failed_jobs': 0, 'cancelled_jobs': 0, 'total_users': 1, 'online_printers': 0, 'offline_printers': 0}
2025-06-04 23:38:33 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: C:\Users\TTOMCZA.EMEA\Dev\Projektarbeit-MYP\backend\instance\printer_manager.db
2025-06-04 23:38:34 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-04 23:38:34 - [app] app - [INFO] INFO - Datenbank mit Optimierungen initialisiert
2025-06-04 23:38:35 - [app] app - [INFO] INFO - Admin-Benutzer admin (admin@mercedes-benz.com) existiert bereits. Passwort wurde zurückgesetzt.
2025-06-04 23:38:35 - [app] app - [INFO] INFO - 🚀 Server startet auf 0.0.0.0:5000
2025-06-04 23:38:35 - [app] app - [ERROR] ERROR - Interner Serverfehler: 500 Internal Server Error: The server encountered an internal error and was unable to complete your request. Either the server is overloaded or there is an error in the application.
2025-06-04 23:38:35 - [app] app - [ERROR] ERROR - Interner Serverfehler: 500 Internal Server Error: The server encountered an internal error and was unable to complete your request. Either the server is overloaded or there is an error in the application.
2025-06-04 23:39:03 - [app] app - [ERROR] ERROR - Interner Serverfehler: 500 Internal Server Error: The server encountered an internal error and was unable to complete your request. Either the server is overloaded or there is an error in the application.
2025-06-04 23:39:03 - [app] app - [ERROR] ERROR - Interner Serverfehler: 500 Internal Server Error: The server encountered an internal error and was unable to complete your request. Either the server is overloaded or there is an error in the application.
2025-06-04 23:39:33 - [app] app - [ERROR] ERROR - Interner Serverfehler: 500 Internal Server Error: The server encountered an internal error and was unable to complete your request. Either the server is overloaded or there is an error in the application.
2025-06-04 23:39:33 - [app] app - [ERROR] ERROR - Interner Serverfehler: 500 Internal Server Error: The server encountered an internal error and was unable to complete your request. Either the server is overloaded or there is an error in the application.
2025-06-04 23:40:16 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: C:\Users\TTOMCZA.EMEA\Dev\Projektarbeit-MYP\backend\instance\printer_manager.db
2025-06-04 23:40:19 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: C:\Users\TTOMCZA.EMEA\Dev\Projektarbeit-MYP\backend\instance\printer_manager.db
2025-06-04 23:40:53 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: C:\Users\TTOMCZA.EMEA\Dev\Projektarbeit-MYP\backend\instance\printer_manager.db
2025-06-04 23:40:58 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: C:\Users\TTOMCZA.EMEA\Dev\Projektarbeit-MYP\backend\instance\printer_manager.db
2025-06-04 23:41:31 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: C:\Users\TTOMCZA.EMEA\Dev\Projektarbeit-MYP\backend\instance\printer_manager.db
2025-06-04 23:46:55 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: C:\Users\TTOMCZA.EMEA\Dev\Projektarbeit-MYP\backend\instance\printer_manager.db
2025-06-04 23:47:07 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: C:\Users\TTOMCZA.EMEA\Dev\Projektarbeit-MYP\backend\instance\printer_manager.db
2025-06-04 23:47:09 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-04 23:47:09 - [app] app - [INFO] INFO - ✅ Timeout Force-Quit Manager geladen
2025-06-04 23:47:09 - [app] app - [INFO] INFO - 📋 Standard-Konfiguration verwendet
2025-06-04 23:47:17 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: C:\Users\TTOMCZA.EMEA\Dev\Projektarbeit-MYP\backend\instance\printer_manager.db
2025-06-04 23:47:23 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: C:\Users\TTOMCZA.EMEA\Dev\Projektarbeit-MYP\backend\instance\printer_manager.db
2025-06-04 23:49:56 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: C:\Users\TTOMCZA.EMEA\Dev\Projektarbeit-MYP\backend\instance\printer_manager.db
2025-06-05 01:01:08 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: c:\Users\TTOMCZA.EMEA\Dev\Projektarbeit-MYP\backend\instance\printer_manager.db
2025-06-05 01:01:10 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: c:\Users\TTOMCZA.EMEA\Dev\Projektarbeit-MYP\backend\instance\printer_manager.db
2025-06-05 01:01:14 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: c:\Users\TTOMCZA.EMEA\Dev\Projektarbeit-MYP\backend\instance\printer_manager.db
2025-06-05 01:01:16 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: c:\Users\TTOMCZA.EMEA\Dev\Projektarbeit-MYP\backend\instance\printer_manager.db
2025-06-05 01:01:17 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: c:\Users\TTOMCZA.EMEA\Dev\Projektarbeit-MYP\backend\instance\printer_manager.db
2025-06-05 09:31:04 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: C:\Users\TTOMCZA.EMEA\Dev\Projektarbeit-MYP\backend\instance\printer_manager.db
2025-06-05 09:31:08 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-05 09:31:08 - [app] app - [INFO] INFO - [OK] Timeout Force-Quit Manager geladen
2025-06-05 09:31:08 - [app] app - [INFO] INFO - [LIST] Standard-Konfiguration verwendet
2025-06-05 09:31:08 - [app] app - [INFO] INFO - [OK] Zentraler Shutdown-Manager initialisiert
2025-06-05 09:31:08 - [app] app - [INFO] INFO - [OK] Error-Recovery-Monitoring gestartet
2025-06-05 09:31:08 - [app] app - [INFO] INFO - [OK] System-Control-Manager initialisiert
2025-06-05 09:31:08 - [app] app - [WARNING] WARNING - [WARN] Kiosk-Service nicht gefunden - Kiosk-Funktionen eventuell eingeschränkt
2025-06-05 09:31:08 - [app] app - [INFO] INFO - [RESTART] Starte Datenbank-Setup und Migrationen...
2025-06-05 09:31:10 - [app] app - [INFO] INFO - Datenbank mit Optimierungen initialisiert
2025-06-05 09:31:11 - [app] app - [INFO] INFO - [OK] JobOrder-Tabelle bereits vorhanden
2025-06-05 09:31:12 - [app] app - [INFO] INFO - Admin-Benutzer admin (admin@mercedes-benz.com) existiert bereits. Passwort wurde zurückgesetzt.
2025-06-05 09:31:12 - [app] app - [INFO] INFO - [OK] Datenbank-Setup und Migrationen erfolgreich abgeschlossen
2025-06-05 09:31:12 - [app] app - [INFO] INFO - [LIST] Standard-Konfiguration aktiv (keine Optimierungen)
2025-06-05 09:31:12 - [app] app - [INFO] INFO - 🖨️ Starte automatische Steckdosen-Initialisierung...
2025-06-05 09:31:12 - [app] app - [INFO] INFO - [INFO] Keine Drucker zur Initialisierung gefunden
2025-06-05 09:31:12 - [app] app - [INFO] INFO - [RESTART] Debug-Modus: Queue Manager deaktiviert für Entwicklung
2025-06-05 09:31:12 - [app] app - [INFO] INFO - Job-Scheduler gestartet
2025-06-05 09:31:12 - [app] app - [INFO] INFO - 🔧 Starte Debug-Server auf 0.0.0.0:5000 (HTTP)
2025-06-05 09:31:12 - [app] app - [INFO] INFO - Windows-Debug-Modus: Auto-Reload deaktiviert
2025-06-05 09:38:55 - [app] app - [INFO] INFO - Admin-Check für Funktion admin_page: User authenticated: True, User ID: 1, Is Admin: True
2025-06-05 09:38:55 - [app] app - [INFO] INFO - Admin-Check für Funktion api_admin_system_health: User authenticated: True, User ID: 1, Is Admin: True
2025-06-05 09:39:02 - [app] app - [INFO] INFO - Admin-Check für Funktion admin_guest_requests: User authenticated: True, User ID: 1, Is Admin: True
2025-06-05 09:39:02 - [app] app - [INFO] INFO - Admin-Gastanfragen Seite aufgerufen von User 1
2025-06-05 09:39:02 - [app] app - [INFO] INFO - Admin-Check für Funktion get_admin_guest_requests: User authenticated: True, User ID: 1, Is Admin: True
2025-06-05 09:39:02 - [app] app - [INFO] INFO - API-Aufruf /api/admin/guest-requests von User 1
2025-06-05 09:39:02 - [app] app - [INFO] INFO - Admin-Gastaufträge geladen: 0 von 0 (Status: all)
2025-06-05 09:39:33 - [app] app - [INFO] INFO - Admin-Check für Funktion get_admin_guest_requests: User authenticated: True, User ID: 1, Is Admin: True
2025-06-05 09:39:33 - [app] app - [INFO] INFO - API-Aufruf /api/admin/guest-requests von User 1
2025-06-05 09:39:33 - [app] app - [INFO] INFO - Admin-Gastaufträge geladen: 0 von 0 (Status: all)
2025-06-05 10:12:39 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: C:\Users\TTOMCZA.EMEA\Dev\Projektarbeit-MYP\backend\instance\printer_manager.db
2025-06-05 10:12:45 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-05 10:12:45 - [app] app - [INFO] INFO - [OK] Timeout Force-Quit Manager geladen
2025-06-05 10:12:45 - [app] app - [INFO] INFO - [LIST] Standard-Konfiguration verwendet
2025-06-05 10:12:45 - [app] app - [INFO] INFO - [OK] Zentraler Shutdown-Manager initialisiert
2025-06-05 10:12:45 - [app] app - [INFO] INFO - [OK] Error-Recovery-Monitoring gestartet
2025-06-05 10:12:45 - [app] app - [INFO] INFO - [OK] System-Control-Manager initialisiert
2025-06-05 10:12:45 - [app] app - [WARNING] WARNING - [WARN] Kiosk-Service nicht gefunden - Kiosk-Funktionen eventuell eingeschränkt
2025-06-05 10:12:45 - [app] app - [INFO] INFO - [RESTART] Starte Datenbank-Setup und Migrationen...
2025-06-05 10:12:48 - [app] app - [INFO] INFO - Datenbank mit Optimierungen initialisiert
2025-06-05 10:12:49 - [app] app - [INFO] INFO - [OK] JobOrder-Tabelle bereits vorhanden
2025-06-05 10:12:50 - [app] app - [INFO] INFO - Admin-Benutzer admin (admin@mercedes-benz.com) existiert bereits. Passwort wurde zurückgesetzt.
2025-06-05 10:12:50 - [app] app - [INFO] INFO - [OK] Datenbank-Setup und Migrationen erfolgreich abgeschlossen
2025-06-05 10:12:50 - [app] app - [INFO] INFO - [LIST] Standard-Konfiguration aktiv (keine Optimierungen)
2025-06-05 10:12:50 - [app] app - [INFO] INFO - 🖨️ Starte automatische Steckdosen-Initialisierung...
2025-06-05 10:12:50 - [app] app - [INFO] INFO - [INFO] Keine Drucker zur Initialisierung gefunden
2025-06-05 10:12:50 - [app] app - [INFO] INFO - [RESTART] Debug-Modus: Queue Manager deaktiviert für Entwicklung
2025-06-05 10:12:50 - [app] app - [INFO] INFO - Job-Scheduler gestartet
2025-06-05 10:12:50 - [app] app - [INFO] INFO - 🔧 Starte Debug-Server auf 0.0.0.0:5000 (HTTP)
2025-06-05 10:12:50 - [app] app - [INFO] INFO - Windows-Debug-Modus: Auto-Reload deaktiviert
2025-06-05 10:14:01 - [app] app - [INFO] INFO - Dashboard-Refresh angefordert von User 1
2025-06-05 10:14:01 - [app] app - [INFO] INFO - Dashboard-Refresh angefordert von User 1
2025-06-05 10:14:01 - [app] app - [ERROR] ERROR - Fehler beim Abrufen der Dashboard-Statistiken: (sqlite3.InterfaceError) bad parameter or other API misuse
[SQL: SELECT count(*) AS count_1 
FROM (SELECT jobs.id AS jobs_id, jobs.name AS jobs_name, jobs.description AS jobs_description, jobs.user_id AS jobs_user_id, jobs.printer_id AS jobs_printer_id, jobs.start_at AS jobs_start_at, jobs.end_at AS jobs_end_at, jobs.actual_end_time AS jobs_actual_end_time, jobs.status AS jobs_status, jobs.created_at AS jobs_created_at, jobs.notes AS jobs_notes, jobs.material_used AS jobs_material_used, jobs.file_path AS jobs_file_path, jobs.owner_id AS jobs_owner_id, jobs.duration_minutes AS jobs_duration_minutes 
FROM jobs 
WHERE jobs.status = ?) AS anon_1]
[parameters: ('running',)]
(Background on this error at: https://sqlalche.me/e/20/rvf5)
2025-06-05 10:14:01 - [app] app - [INFO] INFO - Dashboard-Refresh erfolgreich: {'active_jobs': 0, 'available_printers': 0, 'total_jobs': 0, 'pending_jobs': 0, 'success_rate': 0, 'completed_jobs': 0, 'failed_jobs': 0, 'cancelled_jobs': 0, 'total_users': 0, 'online_printers': 0, 'offline_printers': 0}
2025-06-05 10:14:01 - [app] app - [INFO] INFO - Dashboard-Refresh erfolgreich: {'active_jobs': 0, 'available_printers': 0, 'total_jobs': 0, 'pending_jobs': 0, 'success_rate': 0, 'completed_jobs': None, 'failed_jobs': 0, 'cancelled_jobs': 0, 'total_users': 1, 'online_printers': 0, 'offline_printers': 0}
2025-06-05 10:14:31 - [app] app - [INFO] INFO - Dashboard-Refresh angefordert von User 1
2025-06-05 10:14:31 - [app] app - [INFO] INFO - Dashboard-Refresh erfolgreich: {'active_jobs': 0, 'available_printers': 0, 'total_jobs': 0, 'pending_jobs': 0, 'success_rate': 0, 'completed_jobs': 0, 'failed_jobs': 0, 'cancelled_jobs': 0, 'total_users': 1, 'online_printers': 0, 'offline_printers': 0}
2025-06-05 10:14:31 - [app] app - [INFO] INFO - Dashboard-Refresh angefordert von User 1
2025-06-05 10:14:31 - [app] app - [INFO] INFO - Dashboard-Refresh erfolgreich: {'active_jobs': 0, 'available_printers': 0, 'total_jobs': 0, 'pending_jobs': 0, 'success_rate': 0, 'completed_jobs': 0, 'failed_jobs': 0, 'cancelled_jobs': 0, 'total_users': 1, 'online_printers': 0, 'offline_printers': 0}
2025-06-05 10:15:02 - [app] app - [INFO] INFO - Dashboard-Refresh angefordert von User 1
2025-06-05 10:15:02 - [app] app - [INFO] INFO - Dashboard-Refresh angefordert von User 1
2025-06-05 10:15:02 - [app] app - [ERROR] ERROR - Fehler beim Abrufen der Dashboard-Statistiken: (sqlite3.InterfaceError) bad parameter or other API misuse
[SQL: SELECT count(*) AS count_1 
FROM (SELECT jobs.id AS jobs_id, jobs.name AS jobs_name, jobs.description AS jobs_description, jobs.user_id AS jobs_user_id, jobs.printer_id AS jobs_printer_id, jobs.start_at AS jobs_start_at, jobs.end_at AS jobs_end_at, jobs.actual_end_time AS jobs_actual_end_time, jobs.status AS jobs_status, jobs.created_at AS jobs_created_at, jobs.notes AS jobs_notes, jobs.material_used AS jobs_material_used, jobs.file_path AS jobs_file_path, jobs.owner_id AS jobs_owner_id, jobs.duration_minutes AS jobs_duration_minutes 
FROM jobs 
WHERE jobs.status = ?) AS anon_1]
[parameters: ('failed',)]
(Background on this error at: https://sqlalche.me/e/20/rvf5)
2025-06-05 10:15:02 - [app] app - [INFO] INFO - Dashboard-Refresh erfolgreich: {'active_jobs': 0, 'available_printers': 0, 'total_jobs': 0, 'pending_jobs': 0, 'success_rate': 0, 'completed_jobs': 0, 'failed_jobs': 0, 'cancelled_jobs': 0, 'total_users': 0, 'online_printers': 0, 'offline_printers': 0}
2025-06-05 10:15:02 - [app] app - [INFO] INFO - Dashboard-Refresh erfolgreich: {'active_jobs': 0, 'available_printers': None, 'total_jobs': 0, 'pending_jobs': 0, 'success_rate': 0, 'completed_jobs': 0, 'failed_jobs': None, 'cancelled_jobs': 0, 'total_users': 1, 'online_printers': 0, 'offline_printers': 0}
2025-06-05 10:15:32 - [app] app - [INFO] INFO - Dashboard-Refresh angefordert von User 1
2025-06-05 10:15:32 - [app] app - [INFO] INFO - Dashboard-Refresh angefordert von User 1
2025-06-05 10:15:32 - [app] app - [INFO] INFO - Dashboard-Refresh erfolgreich: {'active_jobs': 0, 'available_printers': 0, 'total_jobs': 0, 'pending_jobs': 0, 'success_rate': 0, 'completed_jobs': 0, 'failed_jobs': 0, 'cancelled_jobs': 0, 'total_users': 1, 'online_printers': 0, 'offline_printers': 0}
2025-06-05 10:15:32 - [app] app - [INFO] INFO - Dashboard-Refresh erfolgreich: {'active_jobs': 0, 'available_printers': 0, 'total_jobs': 0, 'pending_jobs': 0, 'success_rate': 0, 'completed_jobs': 0, 'failed_jobs': 0, 'cancelled_jobs': 0, 'total_users': 1, 'online_printers': 0, 'offline_printers': 0}
2025-06-05 10:16:02 - [app] app - [INFO] INFO - Dashboard-Refresh angefordert von User 1
2025-06-05 10:16:02 - [app] app - [INFO] INFO - Dashboard-Refresh angefordert von User 1
2025-06-05 10:16:02 - [app] app - [INFO] INFO - Dashboard-Refresh erfolgreich: {'active_jobs': 0, 'available_printers': 0, 'total_jobs': 0, 'pending_jobs': 0, 'success_rate': 0, 'completed_jobs': 0, 'failed_jobs': 0, 'cancelled_jobs': 0, 'total_users': 1, 'online_printers': 0, 'offline_printers': 0}
2025-06-05 10:16:02 - [app] app - [INFO] INFO - Dashboard-Refresh erfolgreich: {'active_jobs': None, 'available_printers': 0, 'total_jobs': 0, 'pending_jobs': 0, 'success_rate': 0, 'completed_jobs': 0, 'failed_jobs': 0, 'cancelled_jobs': 0, 'total_users': None, 'online_printers': 0, 'offline_printers': 0}
2025-06-05 10:16:32 - [app] app - [INFO] INFO - Dashboard-Refresh angefordert von User 1
2025-06-05 10:16:32 - [app] app - [INFO] INFO - Dashboard-Refresh angefordert von User 1
2025-06-05 10:16:32 - [app] app - [INFO] INFO - Dashboard-Refresh erfolgreich: {'active_jobs': 0, 'available_printers': 0, 'total_jobs': 0, 'pending_jobs': 0, 'success_rate': 0, 'completed_jobs': 0, 'failed_jobs': 0, 'cancelled_jobs': 0, 'total_users': 1, 'online_printers': 0, 'offline_printers': 0}
2025-06-05 10:16:32 - [app] app - [INFO] INFO - Dashboard-Refresh erfolgreich: {'active_jobs': None, 'available_printers': 0, 'total_jobs': 0, 'pending_jobs': 0, 'success_rate': 0, 'completed_jobs': 0, 'failed_jobs': 0, 'cancelled_jobs': 0, 'total_users': 1, 'online_printers': 0, 'offline_printers': 0}
2025-06-05 10:17:04 - [app] app - [INFO] INFO - Dashboard-Refresh angefordert von User 1
2025-06-05 10:17:04 - [app] app - [INFO] INFO - Dashboard-Refresh angefordert von User 1
2025-06-05 10:17:04 - [app] app - [INFO] INFO - Dashboard-Refresh erfolgreich: {'active_jobs': 0, 'available_printers': 0, 'total_jobs': 0, 'pending_jobs': 0, 'success_rate': 0, 'completed_jobs': 0, 'failed_jobs': 0, 'cancelled_jobs': 0, 'total_users': 1, 'online_printers': 0, 'offline_printers': 0}
2025-06-05 10:17:04 - [app] app - [INFO] INFO - Dashboard-Refresh erfolgreich: {'active_jobs': 0, 'available_printers': 0, 'total_jobs': 0, 'pending_jobs': 0, 'success_rate': 0, 'completed_jobs': 0, 'failed_jobs': 0, 'cancelled_jobs': 0, 'total_users': 1, 'online_printers': 0, 'offline_printers': 0}
2025-06-05 10:18:04 - [app] app - [INFO] INFO - Dashboard-Refresh angefordert von User 1
2025-06-05 10:18:04 - [app] app - [INFO] INFO - Dashboard-Refresh angefordert von User 1
2025-06-05 10:18:04 - [app] app - [INFO] INFO - Dashboard-Refresh erfolgreich: {'active_jobs': 0, 'available_printers': 0, 'total_jobs': 0, 'pending_jobs': 0, 'success_rate': 0, 'completed_jobs': 0, 'failed_jobs': 0, 'cancelled_jobs': 0, 'total_users': 1, 'online_printers': 0, 'offline_printers': 0}
2025-06-05 10:18:04 - [app] app - [INFO] INFO - Dashboard-Refresh erfolgreich: {'active_jobs': 0, 'available_printers': 0, 'total_jobs': 0, 'pending_jobs': 0, 'success_rate': 0, 'completed_jobs': 0, 'failed_jobs': 0, 'cancelled_jobs': 0, 'total_users': 1, 'online_printers': 0, 'offline_printers': 0}
2025-06-05 10:19:04 - [app] app - [INFO] INFO - Dashboard-Refresh angefordert von User 1
2025-06-05 10:19:04 - [app] app - [INFO] INFO - Dashboard-Refresh angefordert von User 1
2025-06-05 10:19:04 - [app] app - [INFO] INFO - Dashboard-Refresh erfolgreich: {'active_jobs': 0, 'available_printers': 0, 'total_jobs': 0, 'pending_jobs': 0, 'success_rate': 0, 'completed_jobs': 0, 'failed_jobs': 0, 'cancelled_jobs': 0, 'total_users': 1, 'online_printers': 0, 'offline_printers': 0}
2025-06-05 10:19:04 - [app] app - [INFO] INFO - Dashboard-Refresh erfolgreich: {'active_jobs': None, 'available_printers': 0, 'total_jobs': 0, 'pending_jobs': 0, 'success_rate': 0, 'completed_jobs': 0, 'failed_jobs': 0, 'cancelled_jobs': 0, 'total_users': 1, 'online_printers': 0, 'offline_printers': 0}
2025-06-05 10:20:04 - [app] app - [INFO] INFO - Dashboard-Refresh angefordert von User 1
2025-06-05 10:20:04 - [app] app - [INFO] INFO - Dashboard-Refresh erfolgreich: {'active_jobs': 0, 'available_printers': 0, 'total_jobs': 0, 'pending_jobs': 0, 'success_rate': 0, 'completed_jobs': 0, 'failed_jobs': 0, 'cancelled_jobs': 0, 'total_users': 1, 'online_printers': 0, 'offline_printers': 0}
2025-06-05 10:20:04 - [app] app - [INFO] INFO - Dashboard-Refresh angefordert von User 1
2025-06-05 10:20:04 - [app] app - [INFO] INFO - Dashboard-Refresh erfolgreich: {'active_jobs': 0, 'available_printers': 0, 'total_jobs': 0, 'pending_jobs': 0, 'success_rate': 0, 'completed_jobs': 0, 'failed_jobs': 0, 'cancelled_jobs': 0, 'total_users': 1, 'online_printers': 0, 'offline_printers': 0}
2025-06-05 11:12:31 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: C:\Users\TTOMCZA.EMEA\Dev\Projektarbeit-MYP\backend\instance\printer_manager.db
2025-06-05 11:12:34 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-05 11:12:34 - [app] app - [INFO] INFO - [OK] Timeout Force-Quit Manager geladen
2025-06-05 11:12:34 - [app] app - [INFO] INFO - [LIST] Standard-Konfiguration verwendet
2025-06-05 11:12:35 - [app] app - [INFO] INFO - [OK] Zentraler Shutdown-Manager initialisiert
2025-06-05 11:12:35 - [app] app - [INFO] INFO - [OK] Error-Recovery-Monitoring gestartet
2025-06-05 11:12:35 - [app] app - [INFO] INFO - [OK] System-Control-Manager initialisiert
2025-06-05 11:12:35 - [app] app - [WARNING] WARNING - [WARN] Kiosk-Service nicht gefunden - Kiosk-Funktionen eventuell eingeschränkt
2025-06-05 11:12:35 - [app] app - [INFO] INFO - [RESTART] Starte Datenbank-Setup und Migrationen...
2025-06-05 11:12:37 - [app] app - [INFO] INFO - Datenbank mit Optimierungen initialisiert
2025-06-05 11:12:38 - [app] app - [INFO] INFO - [OK] JobOrder-Tabelle bereits vorhanden
2025-06-05 11:12:38 - [app] app - [INFO] INFO - Admin-Benutzer admin (admin@mercedes-benz.com) existiert bereits. Passwort wurde zurückgesetzt.
2025-06-05 11:12:38 - [app] app - [INFO] INFO - [OK] Datenbank-Setup und Migrationen erfolgreich abgeschlossen
2025-06-05 11:12:38 - [app] app - [INFO] INFO - [LIST] Standard-Konfiguration aktiv (keine Optimierungen)
2025-06-05 11:12:38 - [app] app - [INFO] INFO - 🖨️ Starte automatische Steckdosen-Initialisierung...
2025-06-05 11:12:38 - [app] app - [INFO] INFO - [INFO] Keine Drucker zur Initialisierung gefunden
2025-06-05 11:12:38 - [app] app - [INFO] INFO - [RESTART] Debug-Modus: Queue Manager deaktiviert für Entwicklung
2025-06-05 11:12:38 - [app] app - [INFO] INFO - Job-Scheduler gestartet
2025-06-05 11:12:38 - [app] app - [INFO] INFO - 🔧 Starte Debug-Server auf 0.0.0.0:5000 (HTTP)
2025-06-05 11:12:38 - [app] app - [INFO] INFO - Windows-Debug-Modus: Auto-Reload deaktiviert
2025-06-05 11:13:02 - [app] app - [INFO] INFO - Admin-Check für Funktion admin_page: User authenticated: True, User ID: 1, Is Admin: True
2025-06-05 11:13:02 - [app] app - [INFO] INFO - Admin-Check für Funktion api_admin_system_health: User authenticated: True, User ID: 1, Is Admin: True
2025-06-05 11:13:04 - [app] app - [INFO] INFO - Dashboard-Refresh angefordert von User 1
2025-06-05 11:13:04 - [app] app - [INFO] INFO - Dashboard-Refresh angefordert von User 1
2025-06-05 11:13:04 - [app] app - [ERROR] ERROR - Fehler beim Abrufen der Dashboard-Statistiken: tuple index out of range
2025-06-05 11:13:04 - [app] app - [INFO] INFO - Dashboard-Refresh erfolgreich: {'active_jobs': 0, 'available_printers': 0, 'total_jobs': 0, 'pending_jobs': 0, 'success_rate': 0, 'completed_jobs': 0, 'failed_jobs': 0, 'cancelled_jobs': 0, 'total_users': 0, 'online_printers': 0, 'offline_printers': 0}
2025-06-05 11:13:04 - [app] app - [INFO] INFO - Dashboard-Refresh erfolgreich: {'active_jobs': 0, 'available_printers': 0, 'total_jobs': 0, 'pending_jobs': 0, 'success_rate': 0, 'completed_jobs': 0, 'failed_jobs': 0, 'cancelled_jobs': 0, 'total_users': 1, 'online_printers': 0, 'offline_printers': 0}
2025-06-05 11:13:06 - [app] app - [INFO] INFO - Benutzer admin@mercedes-benz.com hat sich abgemeldet
2025-06-09 17:23:17 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 17:23:17 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 17:23:17 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-09 17:23:17 - [app] app - [INFO] INFO - Datenbank mit Optimierungen initialisiert
2025-06-09 17:23:18 - [app] app - [INFO] INFO - Admin-Benutzer admin (admin@mercedes-benz.com) existiert bereits. Passwort wurde zurückgesetzt.
2025-06-09 17:23:18 - [app] app - [INFO] INFO - [START] Server startet auf 0.0.0.0:5000
2025-06-09 17:23:24 - [app] app - [ERROR] ERROR - Exception on /dashboard [GET]
Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1455, in wsgi_app
    response = self.full_dispatch_request()
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 869, in full_dispatch_request
    rv = self.handle_user_exception(e)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask_login/utils.py", line 290, in decorated_view
    return current_app.ensure_sync(func)(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/app.py", line 386, in dashboard
    return render_template("dashboard.html")
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/dashboard.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 309, in top-level template code
    <a href="{{ url_for('printers_page') }}"
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1071, in url_for
    return self.handle_url_build_error(error, endpoint, values)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1060, in url_for
    rv = url_adapter.build(  # type: ignore[union-attr]
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/werkzeug/routing/map.py", line 919, in build
    raise BuildError(endpoint, values, method, self)
werkzeug.routing.exceptions.BuildError: Could not build url for endpoint 'printers_page'. Did you mean 'admin.add_printer_page' instead?
2025-06-09 17:23:24 - [app] app - [ERROR] ERROR - Interner Serverfehler: 500 Internal Server Error: The server encountered an internal error and was unable to complete your request. Either the server is overloaded or there is an error in the application.
2025-06-09 17:25:40 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 17:25:40 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 17:25:41 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-09 17:25:41 - [app] app - [INFO] INFO - Datenbank mit Optimierungen initialisiert
2025-06-09 17:25:41 - [app] app - [INFO] INFO - Admin-Benutzer admin (admin@mercedes-benz.com) existiert bereits. Passwort wurde zurückgesetzt.
2025-06-09 17:25:41 - [app] app - [INFO] INFO - [START] Server startet auf 0.0.0.0:5000
2025-06-09 17:25:44 - [app] app - [ERROR] ERROR - Exception on /dashboard [GET]
Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1455, in wsgi_app
    response = self.full_dispatch_request()
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 869, in full_dispatch_request
    rv = self.handle_user_exception(e)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask_login/utils.py", line 290, in decorated_view
    return current_app.ensure_sync(func)(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/app.py", line 386, in dashboard
    return render_template("dashboard.html")
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/dashboard.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 346, in top-level template code
    <a href="{{ url_for('admin_page') }}"
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1071, in url_for
    return self.handle_url_build_error(error, endpoint, values)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1060, in url_for
    rv = url_adapter.build(  # type: ignore[union-attr]
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/werkzeug/routing/map.py", line 919, in build
    raise BuildError(endpoint, values, method, self)
werkzeug.routing.exceptions.BuildError: Could not build url for endpoint 'admin_page'. Did you mean 'admin.add_user_page' instead?
2025-06-09 17:25:44 - [app] app - [ERROR] ERROR - Interner Serverfehler: 500 Internal Server Error: The server encountered an internal error and was unable to complete your request. Either the server is overloaded or there is an error in the application.
2025-06-09 17:25:46 - [app] app - [ERROR] ERROR - Exception on /dashboard [GET]
Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1455, in wsgi_app
    response = self.full_dispatch_request()
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 869, in full_dispatch_request
    rv = self.handle_user_exception(e)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask_login/utils.py", line 290, in decorated_view
    return current_app.ensure_sync(func)(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/app.py", line 386, in dashboard
    return render_template("dashboard.html")
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/dashboard.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 346, in top-level template code
    <a href="{{ url_for('admin_page') }}"
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1071, in url_for
    return self.handle_url_build_error(error, endpoint, values)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1060, in url_for
    rv = url_adapter.build(  # type: ignore[union-attr]
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/werkzeug/routing/map.py", line 919, in build
    raise BuildError(endpoint, values, method, self)
werkzeug.routing.exceptions.BuildError: Could not build url for endpoint 'admin_page'. Did you mean 'admin.add_user_page' instead?
2025-06-09 17:25:46 - [app] app - [ERROR] ERROR - Interner Serverfehler: 500 Internal Server Error: The server encountered an internal error and was unable to complete your request. Either the server is overloaded or there is an error in the application.
2025-06-09 17:25:48 - [app] app - [ERROR] ERROR - Exception on /dashboard [GET]
Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1455, in wsgi_app
    response = self.full_dispatch_request()
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 869, in full_dispatch_request
    rv = self.handle_user_exception(e)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask_login/utils.py", line 290, in decorated_view
    return current_app.ensure_sync(func)(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/app.py", line 386, in dashboard
    return render_template("dashboard.html")
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/dashboard.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 346, in top-level template code
    <a href="{{ url_for('admin_page') }}"
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1071, in url_for
    return self.handle_url_build_error(error, endpoint, values)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1060, in url_for
    rv = url_adapter.build(  # type: ignore[union-attr]
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/werkzeug/routing/map.py", line 919, in build
    raise BuildError(endpoint, values, method, self)
werkzeug.routing.exceptions.BuildError: Could not build url for endpoint 'admin_page'. Did you mean 'admin.add_user_page' instead?
2025-06-09 17:25:48 - [app] app - [ERROR] ERROR - Interner Serverfehler: 500 Internal Server Error: The server encountered an internal error and was unable to complete your request. Either the server is overloaded or there is an error in the application.
2025-06-09 17:25:50 - [app] app - [ERROR] ERROR - Exception on /dashboard [GET]
Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1455, in wsgi_app
    response = self.full_dispatch_request()
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 869, in full_dispatch_request
    rv = self.handle_user_exception(e)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask_login/utils.py", line 290, in decorated_view
    return current_app.ensure_sync(func)(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/app.py", line 386, in dashboard
    return render_template("dashboard.html")
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/dashboard.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 346, in top-level template code
    <a href="{{ url_for('admin_page') }}"
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1071, in url_for
    return self.handle_url_build_error(error, endpoint, values)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1060, in url_for
    rv = url_adapter.build(  # type: ignore[union-attr]
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/werkzeug/routing/map.py", line 919, in build
    raise BuildError(endpoint, values, method, self)
werkzeug.routing.exceptions.BuildError: Could not build url for endpoint 'admin_page'. Did you mean 'admin.add_user_page' instead?
2025-06-09 17:25:50 - [app] app - [ERROR] ERROR - Interner Serverfehler: 500 Internal Server Error: The server encountered an internal error and was unable to complete your request. Either the server is overloaded or there is an error in the application.
2025-06-09 17:25:51 - [app] app - [ERROR] ERROR - Exception on /dashboard [GET]
Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1455, in wsgi_app
    response = self.full_dispatch_request()
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 869, in full_dispatch_request
    rv = self.handle_user_exception(e)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask_login/utils.py", line 290, in decorated_view
    return current_app.ensure_sync(func)(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/app.py", line 386, in dashboard
    return render_template("dashboard.html")
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/dashboard.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 346, in top-level template code
    <a href="{{ url_for('admin_page') }}"
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1071, in url_for
    return self.handle_url_build_error(error, endpoint, values)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1060, in url_for
    rv = url_adapter.build(  # type: ignore[union-attr]
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/werkzeug/routing/map.py", line 919, in build
    raise BuildError(endpoint, values, method, self)
werkzeug.routing.exceptions.BuildError: Could not build url for endpoint 'admin_page'. Did you mean 'admin.add_user_page' instead?
2025-06-09 17:25:51 - [app] app - [ERROR] ERROR - Interner Serverfehler: 500 Internal Server Error: The server encountered an internal error and was unable to complete your request. Either the server is overloaded or there is an error in the application.
2025-06-09 17:28:04 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 17:28:04 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 17:28:04 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-09 17:28:04 - [app] app - [INFO] INFO - Datenbank mit Optimierungen initialisiert
2025-06-09 17:28:04 - [app] app - [INFO] INFO - Admin-Benutzer admin (admin@mercedes-benz.com) existiert bereits. Passwort wurde zurückgesetzt.
2025-06-09 17:28:04 - [app] app - [INFO] INFO - [START] Server startet auf 0.0.0.0:5000
2025-06-09 17:28:11 - [app] app - [ERROR] ERROR - Exception on /dashboard [GET]
Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1455, in wsgi_app
    response = self.full_dispatch_request()
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 869, in full_dispatch_request
    rv = self.handle_user_exception(e)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask_login/utils.py", line 290, in decorated_view
    return current_app.ensure_sync(func)(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/app.py", line 386, in dashboard
    return render_template("dashboard.html")
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/dashboard.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 346, in top-level template code
    <a href="{{ url_for('admin.dashboard') }}"
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1071, in url_for
    return self.handle_url_build_error(error, endpoint, values)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1060, in url_for
    rv = url_adapter.build(  # type: ignore[union-attr]
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/werkzeug/routing/map.py", line 919, in build
    raise BuildError(endpoint, values, method, self)
werkzeug.routing.exceptions.BuildError: Could not build url for endpoint 'admin.dashboard'. Did you mean 'admin.admin_dashboard' instead?
2025-06-09 17:28:11 - [app] app - [ERROR] ERROR - Interner Serverfehler: 500 Internal Server Error: The server encountered an internal error and was unable to complete your request. Either the server is overloaded or there is an error in the application.
2025-06-09 17:28:22 - [app] app - [ERROR] ERROR - Exception on /dashboard [GET]
Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1455, in wsgi_app
    response = self.full_dispatch_request()
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 869, in full_dispatch_request
    rv = self.handle_user_exception(e)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask_login/utils.py", line 290, in decorated_view
    return current_app.ensure_sync(func)(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/app.py", line 386, in dashboard
    return render_template("dashboard.html")
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/dashboard.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 346, in top-level template code
    <a href="{{ url_for('admin.dashboard') }}"
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1071, in url_for
    return self.handle_url_build_error(error, endpoint, values)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1060, in url_for
    rv = url_adapter.build(  # type: ignore[union-attr]
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/werkzeug/routing/map.py", line 919, in build
    raise BuildError(endpoint, values, method, self)
werkzeug.routing.exceptions.BuildError: Could not build url for endpoint 'admin.dashboard'. Did you mean 'admin.admin_dashboard' instead?
2025-06-09 17:28:22 - [app] app - [ERROR] ERROR - Interner Serverfehler: 500 Internal Server Error: The server encountered an internal error and was unable to complete your request. Either the server is overloaded or there is an error in the application.
2025-06-09 17:31:36 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 17:31:36 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 17:31:36 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-09 17:31:36 - [app] app - [INFO] INFO - Datenbank mit Optimierungen initialisiert
2025-06-09 17:31:36 - [app] app - [INFO] INFO - Admin-Benutzer admin (admin@mercedes-benz.com) existiert bereits. Passwort wurde zurückgesetzt.
2025-06-09 17:31:36 - [app] app - [INFO] INFO - [START] Server startet auf 0.0.0.0:5000
2025-06-09 17:31:41 - [app] app - [ERROR] ERROR - Exception on /dashboard [GET]
Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1455, in wsgi_app
    response = self.full_dispatch_request()
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 869, in full_dispatch_request
    rv = self.handle_user_exception(e)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask_login/utils.py", line 290, in decorated_view
    return current_app.ensure_sync(func)(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/app.py", line 386, in dashboard
    return render_template("dashboard.html")
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/dashboard.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 346, in top-level template code
    <a href="{{ url_for('admin.dashboard') }}"
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1071, in url_for
    return self.handle_url_build_error(error, endpoint, values)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1060, in url_for
    rv = url_adapter.build(  # type: ignore[union-attr]
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/werkzeug/routing/map.py", line 919, in build
    raise BuildError(endpoint, values, method, self)
werkzeug.routing.exceptions.BuildError: Could not build url for endpoint 'admin.dashboard'. Did you mean 'admin.admin_dashboard' instead?
2025-06-09 17:31:41 - [app] app - [ERROR] ERROR - Interner Serverfehler: 500 Internal Server Error: The server encountered an internal error and was unable to complete your request. Either the server is overloaded or there is an error in the application.
2025-06-09 17:37:50 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 17:37:50 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 17:37:51 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-09 17:37:51 - [app] app - [INFO] INFO - Datenbank mit Optimierungen initialisiert
2025-06-09 17:37:51 - [app] app - [INFO] INFO - Admin-Benutzer admin (admin@mercedes-benz.com) existiert bereits. Passwort wurde zurückgesetzt.
2025-06-09 17:37:51 - [app] app - [INFO] INFO - [START] Server startet auf 0.0.0.0:5000
2025-06-09 17:37:54 - [app] app - [ERROR] ERROR - Exception on /auth/login [GET]
Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1455, in wsgi_app
    response = self.full_dispatch_request()
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 869, in full_dispatch_request
    rv = self.handle_user_exception(e)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/auth.py", line 133, in login
    return render_template("login.html", error=error)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/login.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 539, in top-level template code
    <a href="{{ url_for('login') }}"
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1071, in url_for
    return self.handle_url_build_error(error, endpoint, values)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1060, in url_for
    rv = url_adapter.build(  # type: ignore[union-attr]
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/werkzeug/routing/map.py", line 919, in build
    raise BuildError(endpoint, values, method, self)
werkzeug.routing.exceptions.BuildError: Could not build url for endpoint 'login'. Did you mean 'auth.login' instead?
2025-06-09 17:37:54 - [app] app - [ERROR] ERROR - Interner Serverfehler: 500 Internal Server Error: The server encountered an internal error and was unable to complete your request. Either the server is overloaded or there is an error in the application.
2025-06-09 17:37:58 - [app] app - [ERROR] ERROR - Exception on /auth/login [GET]
Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1455, in wsgi_app
    response = self.full_dispatch_request()
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 869, in full_dispatch_request
    rv = self.handle_user_exception(e)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/auth.py", line 133, in login
    return render_template("login.html", error=error)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/login.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 539, in top-level template code
    <a href="{{ url_for('login') }}"
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1071, in url_for
    return self.handle_url_build_error(error, endpoint, values)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1060, in url_for
    rv = url_adapter.build(  # type: ignore[union-attr]
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/werkzeug/routing/map.py", line 919, in build
    raise BuildError(endpoint, values, method, self)
werkzeug.routing.exceptions.BuildError: Could not build url for endpoint 'login'. Did you mean 'auth.login' instead?
2025-06-09 17:37:58 - [app] app - [ERROR] ERROR - Interner Serverfehler: 500 Internal Server Error: The server encountered an internal error and was unable to complete your request. Either the server is overloaded or there is an error in the application.
2025-06-09 17:40:19 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 17:40:19 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 17:40:19 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-09 17:40:19 - [app] app - [INFO] INFO - Datenbank mit Optimierungen initialisiert
2025-06-09 17:40:20 - [app] app - [INFO] INFO - Admin-Benutzer admin (admin@mercedes-benz.com) existiert bereits. Passwort wurde zurückgesetzt.
2025-06-09 17:40:20 - [app] app - [INFO] INFO - [START] Server startet auf 0.0.0.0:5000
2025-06-09 17:40:24 - [app] app - [ERROR] ERROR - Exception on /auth/login [GET]
Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1455, in wsgi_app
    response = self.full_dispatch_request()
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 869, in full_dispatch_request
    rv = self.handle_user_exception(e)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/auth.py", line 133, in login
    return render_template("login.html", error=error)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/login.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 640, in top-level template code
    {% block content %}{% endblock %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/login.html", line 385, in block 'content'
    <a href="{{ url_for('reset_password_request') if url_for and url_for('reset_password_request') else '#' }}"
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1071, in url_for
    return self.handle_url_build_error(error, endpoint, values)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1060, in url_for
    rv = url_adapter.build(  # type: ignore[union-attr]
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/werkzeug/routing/map.py", line 919, in build
    raise BuildError(endpoint, values, method, self)
werkzeug.routing.exceptions.BuildError: Could not build url for endpoint 'reset_password_request'. Did you mean 'auth.reset_password_request' instead?
2025-06-09 17:40:24 - [app] app - [ERROR] ERROR - Interner Serverfehler: 500 Internal Server Error: The server encountered an internal error and was unable to complete your request. Either the server is overloaded or there is an error in the application.
2025-06-09 17:40:25 - [app] app - [ERROR] ERROR - Exception on /auth/login [GET]
Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1455, in wsgi_app
    response = self.full_dispatch_request()
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 869, in full_dispatch_request
    rv = self.handle_user_exception(e)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/auth.py", line 133, in login
    return render_template("login.html", error=error)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/login.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 640, in top-level template code
    {% block content %}{% endblock %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/login.html", line 385, in block 'content'
    <a href="{{ url_for('reset_password_request') if url_for and url_for('reset_password_request') else '#' }}"
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1071, in url_for
    return self.handle_url_build_error(error, endpoint, values)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1060, in url_for
    rv = url_adapter.build(  # type: ignore[union-attr]
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/werkzeug/routing/map.py", line 919, in build
    raise BuildError(endpoint, values, method, self)
werkzeug.routing.exceptions.BuildError: Could not build url for endpoint 'reset_password_request'. Did you mean 'auth.reset_password_request' instead?
2025-06-09 17:40:25 - [app] app - [ERROR] ERROR - Interner Serverfehler: 500 Internal Server Error: The server encountered an internal error and was unable to complete your request. Either the server is overloaded or there is an error in the application.
2025-06-09 17:40:28 - [app] app - [ERROR] ERROR - Exception on /auth/login [GET]
Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1455, in wsgi_app
    response = self.full_dispatch_request()
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 869, in full_dispatch_request
    rv = self.handle_user_exception(e)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/auth.py", line 133, in login
    return render_template("login.html", error=error)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/login.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 640, in top-level template code
    {% block content %}{% endblock %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/login.html", line 385, in block 'content'
    <a href="{{ url_for('reset_password_request') if url_for and url_for('reset_password_request') else '#' }}"
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1071, in url_for
    return self.handle_url_build_error(error, endpoint, values)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1060, in url_for
    rv = url_adapter.build(  # type: ignore[union-attr]
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/werkzeug/routing/map.py", line 919, in build
    raise BuildError(endpoint, values, method, self)
werkzeug.routing.exceptions.BuildError: Could not build url for endpoint 'reset_password_request'. Did you mean 'auth.reset_password_request' instead?
2025-06-09 17:40:28 - [app] app - [ERROR] ERROR - Interner Serverfehler: 500 Internal Server Error: The server encountered an internal error and was unable to complete your request. Either the server is overloaded or there is an error in the application.
2025-06-09 17:44:12 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 17:44:12 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 17:44:12 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-09 17:44:12 - [app] app - [INFO] INFO - Datenbank mit Optimierungen initialisiert
2025-06-09 17:44:13 - [app] app - [INFO] INFO - Admin-Benutzer admin (admin@mercedes-benz.com) existiert bereits. Passwort wurde zurückgesetzt.
2025-06-09 17:44:13 - [app] app - [INFO] INFO - [START] Server startet auf 0.0.0.0:5000
2025-06-09 17:45:45 - [app] app - [ERROR] ERROR - Exception on /dashboard [GET]
Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1455, in wsgi_app
    response = self.full_dispatch_request()
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 869, in full_dispatch_request
    rv = self.handle_user_exception(e)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask_login/utils.py", line 290, in decorated_view
    return current_app.ensure_sync(func)(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/app.py", line 386, in dashboard
    return render_template("dashboard.html")
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/dashboard.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 689, in top-level template code
    <a href="{{ url_for('admin_plug_schedules') }}"
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1071, in url_for
    return self.handle_url_build_error(error, endpoint, values)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1060, in url_for
    rv = url_adapter.build(  # type: ignore[union-attr]
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/werkzeug/routing/map.py", line 919, in build
    raise BuildError(endpoint, values, method, self)
werkzeug.routing.exceptions.BuildError: Could not build url for endpoint 'admin_plug_schedules'. Did you mean 'admin_api.clear_cache' instead?
2025-06-09 17:45:45 - [app] app - [ERROR] ERROR - Interner Serverfehler: 500 Internal Server Error: The server encountered an internal error and was unable to complete your request. Either the server is overloaded or there is an error in the application.
2025-06-09 17:47:00 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 17:47:00 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 17:47:00 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-09 17:47:00 - [app] app - [INFO] INFO - Datenbank mit Optimierungen initialisiert
2025-06-09 17:47:00 - [app] app - [INFO] INFO - Admin-Benutzer admin (admin@mercedes-benz.com) existiert bereits. Passwort wurde zurückgesetzt.
2025-06-09 17:47:00 - [app] app - [INFO] INFO - [START] Server startet auf 0.0.0.0:5000
2025-06-09 17:47:19 - [app] app - [ERROR] ERROR - Exception on /admin/ [GET]
Traceback (most recent call last):
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 118, in admin_dashboard
    return render_template('admin/dashboard.html', stats=stats)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 151, in render_template
    template = app.jinja_env.get_or_select_template(template_name_or_list)
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1081, in get_or_select_template
    return self.get_template(template_name_or_list, parent, globals)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1010, in get_template
    return self._load_template(name, globals)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 969, in _load_template
    template = self.loader.load(self, name, self.make_globals(globals))
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/loaders.py", line 126, in load
    source, filename, uptodate = self.get_source(environment, name)
                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 65, in get_source
    return self._get_source_fast(environment, template)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 99, in _get_source_fast
    raise TemplateNotFound(template)
jinja2.exceptions.TemplateNotFound: admin/dashboard.html

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1455, in wsgi_app
    response = self.full_dispatch_request()
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 869, in full_dispatch_request
    rv = self.handle_user_exception(e)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask_login/utils.py", line 290, in decorated_view
    return current_app.ensure_sync(func)(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 86, in decorated_function
    return f(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 123, in admin_dashboard
    return render_template('admin/dashboard.html', stats={})
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 151, in render_template
    template = app.jinja_env.get_or_select_template(template_name_or_list)
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1081, in get_or_select_template
    return self.get_template(template_name_or_list, parent, globals)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1010, in get_template
    return self._load_template(name, globals)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 969, in _load_template
    template = self.loader.load(self, name, self.make_globals(globals))
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/loaders.py", line 126, in load
    source, filename, uptodate = self.get_source(environment, name)
                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 65, in get_source
    return self._get_source_fast(environment, template)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 99, in _get_source_fast
    raise TemplateNotFound(template)
jinja2.exceptions.TemplateNotFound: admin/dashboard.html
2025-06-09 17:47:19 - [app] app - [ERROR] ERROR - Interner Serverfehler: 500 Internal Server Error: The server encountered an internal error and was unable to complete your request. Either the server is overloaded or there is an error in the application.
2025-06-09 17:48:56 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 17:48:56 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 17:59:58 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 17:59:58 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 17:59:59 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-09 17:59:59 - [app] app - [INFO] INFO - Datenbank mit Optimierungen initialisiert
2025-06-09 17:59:59 - [app] app - [INFO] INFO - Admin-Benutzer admin (admin@mercedes-benz.com) existiert bereits. Passwort wurde zurückgesetzt.
2025-06-09 17:59:59 - [app] app - [INFO] INFO - [START] Server startet auf 0.0.0.0:5000
2025-06-09 18:00:28 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/printers
2025-06-09 18:00:29 - [app] app - [ERROR] ERROR - Unhandled Exception - ID: 20250609_180029
2025-06-09 18:00:29 - [app] app - [ERROR] ERROR - URL: http://127.0.0.1:5000/admin/
2025-06-09 18:00:29 - [app] app - [ERROR] ERROR - Method: GET
2025-06-09 18:00:29 - [app] app - [ERROR] ERROR - User: admin
2025-06-09 18:00:29 - [app] app - [ERROR] ERROR - Exception Type: BuildError
2025-06-09 18:00:29 - [app] app - [ERROR] ERROR - Exception: Could not build url for endpoint 'admin_page' with values ['tab']. Did you mean 'admin.add_user_page' instead?
2025-06-09 18:00:29 - [app] app - [ERROR] ERROR - Traceback: Traceback (most recent call last):
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 118, in admin_dashboard
    return render_template('admin.html', stats=stats)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/admin.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 640, in top-level template code
    {% block content %}{% endblock %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/admin.html", line 235, in block 'content'
    <a href="{{ url_for('admin_page', tab='users') }}"
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1071, in url_for
    return self.handle_url_build_error(error, endpoint, values)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1060, in url_for
    rv = url_adapter.build(  # type: ignore[union-attr]
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/werkzeug/routing/map.py", line 919, in build
    raise BuildError(endpoint, values, method, self)
werkzeug.routing.exceptions.BuildError: Could not build url for endpoint 'admin_page' with values ['tab']. Did you mean 'admin.add_user_page' instead?

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask_login/utils.py", line 290, in decorated_view
    return current_app.ensure_sync(func)(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 86, in decorated_function
    return f(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 123, in admin_dashboard
    return render_template('admin.html', stats={})
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/admin.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 640, in top-level template code
    {% block content %}{% endblock %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/admin.html", line 235, in block 'content'
    <a href="{{ url_for('admin_page', tab='users') }}"
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1071, in url_for
    return self.handle_url_build_error(error, endpoint, values)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1060, in url_for
    rv = url_adapter.build(  # type: ignore[union-attr]
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/werkzeug/routing/map.py", line 919, in build
    raise BuildError(endpoint, values, method, self)
werkzeug.routing.exceptions.BuildError: Could not build url for endpoint 'admin_page' with values ['tab']. Did you mean 'admin.add_user_page' instead?

2025-06-09 18:00:32 - [app] app - [ERROR] ERROR - Unhandled Exception - ID: 20250609_180032
2025-06-09 18:00:32 - [app] app - [ERROR] ERROR - URL: http://127.0.0.1:5000/admin/
2025-06-09 18:00:32 - [app] app - [ERROR] ERROR - Method: GET
2025-06-09 18:00:32 - [app] app - [ERROR] ERROR - User: admin
2025-06-09 18:00:32 - [app] app - [ERROR] ERROR - Exception Type: BuildError
2025-06-09 18:00:32 - [app] app - [ERROR] ERROR - Exception: Could not build url for endpoint 'admin_page' with values ['tab']. Did you mean 'admin.add_user_page' instead?
2025-06-09 18:00:32 - [app] app - [ERROR] ERROR - Traceback: Traceback (most recent call last):
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 118, in admin_dashboard
    return render_template('admin.html', stats=stats)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/admin.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 640, in top-level template code
    {% block content %}{% endblock %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/admin.html", line 235, in block 'content'
    <a href="{{ url_for('admin_page', tab='users') }}"
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1071, in url_for
    return self.handle_url_build_error(error, endpoint, values)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1060, in url_for
    rv = url_adapter.build(  # type: ignore[union-attr]
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/werkzeug/routing/map.py", line 919, in build
    raise BuildError(endpoint, values, method, self)
werkzeug.routing.exceptions.BuildError: Could not build url for endpoint 'admin_page' with values ['tab']. Did you mean 'admin.add_user_page' instead?

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask_login/utils.py", line 290, in decorated_view
    return current_app.ensure_sync(func)(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 86, in decorated_function
    return f(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 123, in admin_dashboard
    return render_template('admin.html', stats={})
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/admin.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 640, in top-level template code
    {% block content %}{% endblock %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/admin.html", line 235, in block 'content'
    <a href="{{ url_for('admin_page', tab='users') }}"
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1071, in url_for
    return self.handle_url_build_error(error, endpoint, values)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1060, in url_for
    rv = url_adapter.build(  # type: ignore[union-attr]
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/werkzeug/routing/map.py", line 919, in build
    raise BuildError(endpoint, values, method, self)
werkzeug.routing.exceptions.BuildError: Could not build url for endpoint 'admin_page' with values ['tab']. Did you mean 'admin.add_user_page' instead?

2025-06-09 18:00:57 - [app] app - [ERROR] ERROR - Unhandled Exception - ID: 20250609_180057
2025-06-09 18:00:57 - [app] app - [ERROR] ERROR - URL: http://127.0.0.1:5000/admin/
2025-06-09 18:00:57 - [app] app - [ERROR] ERROR - Method: GET
2025-06-09 18:00:57 - [app] app - [ERROR] ERROR - User: admin
2025-06-09 18:00:57 - [app] app - [ERROR] ERROR - Exception Type: BuildError
2025-06-09 18:00:57 - [app] app - [ERROR] ERROR - Exception: Could not build url for endpoint 'admin_page' with values ['tab']. Did you mean 'admin.add_user_page' instead?
2025-06-09 18:00:57 - [app] app - [ERROR] ERROR - Traceback: Traceback (most recent call last):
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 118, in admin_dashboard
    return render_template('admin.html', stats=stats)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/admin.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 640, in top-level template code
    {% block content %}{% endblock %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/admin.html", line 235, in block 'content'
    <a href="{{ url_for('admin_page', tab='users') }}"
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1071, in url_for
    return self.handle_url_build_error(error, endpoint, values)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1060, in url_for
    rv = url_adapter.build(  # type: ignore[union-attr]
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/werkzeug/routing/map.py", line 919, in build
    raise BuildError(endpoint, values, method, self)
werkzeug.routing.exceptions.BuildError: Could not build url for endpoint 'admin_page' with values ['tab']. Did you mean 'admin.add_user_page' instead?

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask_login/utils.py", line 290, in decorated_view
    return current_app.ensure_sync(func)(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 86, in decorated_function
    return f(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 123, in admin_dashboard
    return render_template('admin.html', stats={})
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/admin.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 640, in top-level template code
    {% block content %}{% endblock %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/admin.html", line 235, in block 'content'
    <a href="{{ url_for('admin_page', tab='users') }}"
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1071, in url_for
    return self.handle_url_build_error(error, endpoint, values)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1060, in url_for
    rv = url_adapter.build(  # type: ignore[union-attr]
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/werkzeug/routing/map.py", line 919, in build
    raise BuildError(endpoint, values, method, self)
werkzeug.routing.exceptions.BuildError: Could not build url for endpoint 'admin_page' with values ['tab']. Did you mean 'admin.add_user_page' instead?

2025-06-09 18:02:01 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 18:02:01 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 18:03:08 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 18:03:08 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 18:03:08 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-09 18:05:20 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 18:05:20 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 18:08:26 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 18:08:26 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 18:09:00 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 18:09:00 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 18:09:49 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 18:09:49 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 18:12:27 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 18:12:28 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 18:15:35 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 18:15:35 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 18:15:35 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-09 18:15:35 - [app] app - [INFO] INFO - Datenbank mit Optimierungen initialisiert
2025-06-09 18:15:36 - [app] app - [INFO] INFO - Admin-Benutzer admin (admin@mercedes-benz.com) existiert bereits. Passwort wurde zurückgesetzt.
2025-06-09 18:15:36 - [app] app - [INFO] INFO - [START] Server startet auf 0.0.0.0:5000
2025-06-09 18:16:18 - [app] app - [ERROR] ERROR - Unhandled Exception - ID: 20250609_181618
2025-06-09 18:16:18 - [app] app - [ERROR] ERROR - URL: http://127.0.0.1:5000/admin/
2025-06-09 18:16:18 - [app] app - [ERROR] ERROR - Method: GET
2025-06-09 18:16:18 - [app] app - [ERROR] ERROR - User: admin
2025-06-09 18:16:18 - [app] app - [ERROR] ERROR - Exception Type: BuildError
2025-06-09 18:16:18 - [app] app - [ERROR] ERROR - Exception: Could not build url for endpoint 'admin_page' with values ['tab']. Did you mean 'admin.add_user_page' instead?
2025-06-09 18:16:18 - [app] app - [ERROR] ERROR - Traceback: Traceback (most recent call last):
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 115, in admin_dashboard
    return render_template('admin.html', stats=stats)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/admin.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 640, in top-level template code
    {% block content %}{% endblock %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/admin.html", line 235, in block 'content'
    <a href="{{ url_for('admin_page', tab='users') }}"
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1071, in url_for
    return self.handle_url_build_error(error, endpoint, values)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1060, in url_for
    rv = url_adapter.build(  # type: ignore[union-attr]
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/werkzeug/routing/map.py", line 919, in build
    raise BuildError(endpoint, values, method, self)
werkzeug.routing.exceptions.BuildError: Could not build url for endpoint 'admin_page' with values ['tab']. Did you mean 'admin.add_user_page' instead?

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask_login/utils.py", line 290, in decorated_view
    return current_app.ensure_sync(func)(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 86, in decorated_function
    return f(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 120, in admin_dashboard
    return render_template('admin.html', stats={})
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/admin.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 640, in top-level template code
    {% block content %}{% endblock %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/admin.html", line 235, in block 'content'
    <a href="{{ url_for('admin_page', tab='users') }}"
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1071, in url_for
    return self.handle_url_build_error(error, endpoint, values)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1060, in url_for
    rv = url_adapter.build(  # type: ignore[union-attr]
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/werkzeug/routing/map.py", line 919, in build
    raise BuildError(endpoint, values, method, self)
werkzeug.routing.exceptions.BuildError: Could not build url for endpoint 'admin_page' with values ['tab']. Did you mean 'admin.add_user_page' instead?

2025-06-09 18:16:33 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/jobs
2025-06-09 18:16:33 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/printers
2025-06-09 18:16:34 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/printers
2025-06-09 18:17:29 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 18:17:29 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 18:19:09 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 18:19:09 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 18:19:10 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-09 18:20:07 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 18:20:07 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 18:20:08 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-09 18:20:09 - [app] app - [WARNING] WARNING - CSRF-Fehler: The CSRF token is missing.
2025-06-09 18:21:24 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 18:21:24 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 18:21:25 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-09 18:21:25 - [app] app - [WARNING] WARNING - CSRF-Fehler: The CSRF token is missing.
2025-06-09 18:21:55 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 18:21:55 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 18:21:56 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-09 18:21:56 - [app] app - [WARNING] WARNING - CSRF-Fehler: The CSRF token is missing.
2025-06-09 18:22:28 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 18:22:28 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 18:22:29 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-09 18:22:29 - [app] app - [WARNING] WARNING - CSRF-Fehler: The CSRF token is missing.
2025-06-09 18:24:25 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 18:24:25 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 18:24:25 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-09 18:24:26 - [app] app - [WARNING] WARNING - CSRF-Fehler: The CSRF token is missing.
2025-06-09 18:26:03 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 18:26:03 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 18:26:04 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-09 18:26:37 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 18:26:38 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 18:26:38 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-09 18:26:38 - [app] app - [INFO] INFO - Datenbank mit Optimierungen initialisiert
2025-06-09 18:26:38 - [app] app - [INFO] INFO - Admin-Benutzer admin (admin@mercedes-benz.com) existiert bereits. Passwort wurde zurückgesetzt.
2025-06-09 18:26:38 - [app] app - [INFO] INFO - [START] Server startet auf 0.0.0.0:5000
2025-06-09 18:26:45 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/static/css/style.css?v=1749486405260
2025-06-09 18:26:45 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/static/css/design-system.css?v=1749486405260
2025-06-09 18:26:45 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/static/css/layout.css?v=1749486405260
2025-06-09 18:26:45 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/static/css/particles.css?v=1749486405260
2025-06-09 18:26:45 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/static/css/notes.css?v=1749486405260
2025-06-09 18:26:48 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/tasks
2025-06-09 18:26:48 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/projects
2025-06-09 18:26:48 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/crm/
2025-06-09 18:26:48 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/time-tracking/
2025-06-09 18:26:48 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/invoicing/
2025-06-09 18:27:04 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/stats
2025-06-09 18:27:04 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/admin/system-health
2025-06-09 18:27:08 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/printers
2025-06-09 18:27:12 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/jobs
2025-06-09 18:27:12 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/printers
2025-06-09 18:27:13 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/stats
2025-06-09 18:27:14 - [app] app - [ERROR] ERROR - Unhandled Exception - ID: 20250609_182714
2025-06-09 18:27:14 - [app] app - [ERROR] ERROR - URL: http://127.0.0.1:5000/admin/advanced-settings
2025-06-09 18:27:14 - [app] app - [ERROR] ERROR - Method: GET
2025-06-09 18:27:14 - [app] app - [ERROR] ERROR - User: admin
2025-06-09 18:27:14 - [app] app - [ERROR] ERROR - Exception Type: BuildError
2025-06-09 18:27:14 - [app] app - [ERROR] ERROR - Exception: Could not build url for endpoint 'admin_page'. Did you mean 'admin.add_user_page' instead?
2025-06-09 18:27:14 - [app] app - [ERROR] ERROR - Traceback: Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask_login/utils.py", line 290, in decorated_view
    return current_app.ensure_sync(func)(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 86, in decorated_function
    return f(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 194, in advanced_settings
    return render_template('admin_advanced_settings.html')
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/admin_advanced_settings.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 640, in top-level template code
    {% block content %}{% endblock %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/admin_advanced_settings.html", line 348, in block 'content'
    <a href="{{ url_for('admin_page') }}" class="p-3 hover:bg-black/5 dark:hover:bg-white/5 rounded-2xl transition-all duration-300 group">
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1071, in url_for
    return self.handle_url_build_error(error, endpoint, values)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1060, in url_for
    rv = url_adapter.build(  # type: ignore[union-attr]
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/werkzeug/routing/map.py", line 919, in build
    raise BuildError(endpoint, values, method, self)
werkzeug.routing.exceptions.BuildError: Could not build url for endpoint 'admin_page'. Did you mean 'admin.add_user_page' instead?

2025-06-09 18:27:17 - [app] app - [ERROR] ERROR - Unhandled Exception - ID: 20250609_182717
2025-06-09 18:27:17 - [app] app - [ERROR] ERROR - URL: http://127.0.0.1:5000/admin/logs
2025-06-09 18:27:17 - [app] app - [ERROR] ERROR - Method: GET
2025-06-09 18:27:17 - [app] app - [ERROR] ERROR - User: admin
2025-06-09 18:27:17 - [app] app - [ERROR] ERROR - Exception Type: TemplateNotFound
2025-06-09 18:27:17 - [app] app - [ERROR] ERROR - Exception: admin/logs.html
2025-06-09 18:27:17 - [app] app - [ERROR] ERROR - Traceback: Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask_login/utils.py", line 290, in decorated_view
    return current_app.ensure_sync(func)(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 86, in decorated_function
    return f(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 206, in logs_overview
    return render_template('admin/logs.html')
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 151, in render_template
    template = app.jinja_env.get_or_select_template(template_name_or_list)
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1081, in get_or_select_template
    return self.get_template(template_name_or_list, parent, globals)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1010, in get_template
    return self._load_template(name, globals)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 969, in _load_template
    template = self.loader.load(self, name, self.make_globals(globals))
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/loaders.py", line 126, in load
    source, filename, uptodate = self.get_source(environment, name)
                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 65, in get_source
    return self._get_source_fast(environment, template)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 99, in _get_source_fast
    raise TemplateNotFound(template)
jinja2.exceptions.TemplateNotFound: admin/logs.html

2025-06-09 18:27:20 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/stats
2025-06-09 18:27:20 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/admin/system-health
2025-06-09 18:27:20 - [app] app - [ERROR] ERROR - Unhandled Exception - ID: 20250609_182720
2025-06-09 18:27:20 - [app] app - [ERROR] ERROR - URL: http://127.0.0.1:5000/admin/guest-requests
2025-06-09 18:27:20 - [app] app - [ERROR] ERROR - Method: GET
2025-06-09 18:27:20 - [app] app - [ERROR] ERROR - User: admin
2025-06-09 18:27:20 - [app] app - [ERROR] ERROR - Exception Type: BuildError
2025-06-09 18:27:20 - [app] app - [ERROR] ERROR - Exception: Could not build url for endpoint 'admin_page'. Did you mean 'admin.add_user_page' instead?
2025-06-09 18:27:20 - [app] app - [ERROR] ERROR - Traceback: Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask_login/utils.py", line 290, in decorated_view
    return current_app.ensure_sync(func)(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 86, in decorated_function
    return f(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 188, in guest_requests
    return render_template('admin_guest_requests.html')
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/admin_guest_requests.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 640, in top-level template code
    {% block content %}{% endblock %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/admin_guest_requests.html", line 74, in block 'content'
    <a href="{{ url_for('admin_page') }}"
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1071, in url_for
    return self.handle_url_build_error(error, endpoint, values)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1060, in url_for
    rv = url_adapter.build(  # type: ignore[union-attr]
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/werkzeug/routing/map.py", line 919, in build
    raise BuildError(endpoint, values, method, self)
werkzeug.routing.exceptions.BuildError: Could not build url for endpoint 'admin_page'. Did you mean 'admin.add_user_page' instead?

2025-06-09 18:27:24 - [app] app - [ERROR] ERROR - Unhandled Exception - ID: 20250609_182724
2025-06-09 18:27:24 - [app] app - [ERROR] ERROR - URL: http://127.0.0.1:5000/admin/users
2025-06-09 18:27:24 - [app] app - [ERROR] ERROR - Method: GET
2025-06-09 18:27:24 - [app] app - [ERROR] ERROR - User: admin
2025-06-09 18:27:24 - [app] app - [ERROR] ERROR - Exception Type: UndefinedError
2025-06-09 18:27:24 - [app] app - [ERROR] ERROR - Exception: 'stats' is undefined
2025-06-09 18:27:24 - [app] app - [ERROR] ERROR - Traceback: Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask_login/utils.py", line 290, in decorated_view
    return current_app.ensure_sync(func)(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 86, in decorated_function
    return f(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 126, in users_overview
    return render_template('admin.html')
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/admin.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 640, in top-level template code
    {% block content %}{% endblock %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/admin.html", line 132, in block 'content'
    <div id="live-users-count" class="text-2xl font-bold text-slate-900 dark:text-white">{{ stats.total_users or 0 }}</div>
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 485, in getattr
    return getattr(obj, attribute)
           ^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'stats' is undefined

2025-06-09 18:27:27 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/stats
2025-06-09 18:46:12 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 18:46:12 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 18:46:13 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-09 18:46:13 - [app] app - [INFO] INFO - Datenbank mit Optimierungen initialisiert
2025-06-09 18:46:13 - [app] app - [INFO] INFO - Admin-Benutzer admin (admin@mercedes-benz.com) existiert bereits. Passwort wurde zurückgesetzt.
2025-06-09 18:46:13 - [app] app - [INFO] INFO - [START] Server startet auf 0.0.0.0:5000
2025-06-09 18:46:15 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/crm/
2025-06-09 18:46:25 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/stats
2025-06-09 18:46:25 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/admin/system-health
2025-06-09 18:46:27 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/admin/guest-requests
2025-06-09 18:46:32 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/stats
2025-06-09 18:46:32 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/admin/system-health
2025-06-09 18:46:34 - [app] app - [ERROR] ERROR - Unhandled Exception - ID: 20250609_184634
2025-06-09 18:46:34 - [app] app - [ERROR] ERROR - URL: http://127.0.0.1:5000/admin/logs
2025-06-09 18:46:34 - [app] app - [ERROR] ERROR - Method: GET
2025-06-09 18:46:34 - [app] app - [ERROR] ERROR - User: admin
2025-06-09 18:46:34 - [app] app - [ERROR] ERROR - Exception Type: TemplateNotFound
2025-06-09 18:46:34 - [app] app - [ERROR] ERROR - Exception: admin/logs.html
2025-06-09 18:46:34 - [app] app - [ERROR] ERROR - Traceback: Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask_login/utils.py", line 290, in decorated_view
    return current_app.ensure_sync(func)(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 86, in decorated_function
    return f(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 206, in logs_overview
    return render_template('admin/logs.html')
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 151, in render_template
    template = app.jinja_env.get_or_select_template(template_name_or_list)
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1081, in get_or_select_template
    return self.get_template(template_name_or_list, parent, globals)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1010, in get_template
    return self._load_template(name, globals)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 969, in _load_template
    template = self.loader.load(self, name, self.make_globals(globals))
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/loaders.py", line 126, in load
    source, filename, uptodate = self.get_source(environment, name)
                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 65, in get_source
    return self._get_source_fast(environment, template)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 99, in _get_source_fast
    raise TemplateNotFound(template)
jinja2.exceptions.TemplateNotFound: admin/logs.html

2025-06-09 18:46:40 - [app] app - [ERROR] ERROR - Unhandled Exception - ID: 20250609_184640
2025-06-09 18:46:40 - [app] app - [ERROR] ERROR - URL: http://127.0.0.1:5000/admin/advanced-settings
2025-06-09 18:46:40 - [app] app - [ERROR] ERROR - Method: GET
2025-06-09 18:46:40 - [app] app - [ERROR] ERROR - User: admin
2025-06-09 18:46:40 - [app] app - [ERROR] ERROR - Exception Type: UndefinedError
2025-06-09 18:46:40 - [app] app - [ERROR] ERROR - Exception: 'stats' is undefined
2025-06-09 18:46:40 - [app] app - [ERROR] ERROR - Traceback: Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask_login/utils.py", line 290, in decorated_view
    return current_app.ensure_sync(func)(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 86, in decorated_function
    return f(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 194, in advanced_settings
    return render_template('admin_advanced_settings.html')
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/admin_advanced_settings.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 640, in top-level template code
    {% block content %}{% endblock %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/admin_advanced_settings.html", line 388, in block 'content'
    <p class="text-3xl font-bold text-slate-900 dark:text-white mt-1">{{ stats.total_users }}</p>
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 485, in getattr
    return getattr(obj, attribute)
           ^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'stats' is undefined

2025-06-09 18:46:44 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/jobs
2025-06-09 18:46:45 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/printers
2025-06-09 18:46:47 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/stats
2025-06-09 18:46:48 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/printers
2025-06-09 18:46:51 - [app] app - [ERROR] ERROR - Unhandled Exception - ID: 20250609_184651
2025-06-09 18:46:51 - [app] app - [ERROR] ERROR - URL: http://127.0.0.1:5000/admin/users
2025-06-09 18:46:51 - [app] app - [ERROR] ERROR - Method: GET
2025-06-09 18:46:51 - [app] app - [ERROR] ERROR - User: admin
2025-06-09 18:46:51 - [app] app - [ERROR] ERROR - Exception Type: UndefinedError
2025-06-09 18:46:51 - [app] app - [ERROR] ERROR - Exception: 'stats' is undefined
2025-06-09 18:46:51 - [app] app - [ERROR] ERROR - Traceback: Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask_login/utils.py", line 290, in decorated_view
    return current_app.ensure_sync(func)(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 86, in decorated_function
    return f(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 126, in users_overview
    return render_template('admin.html')
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/admin.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 640, in top-level template code
    {% block content %}{% endblock %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/admin.html", line 132, in block 'content'
    <div id="live-users-count" class="text-2xl font-bold text-slate-900 dark:text-white">{{ stats.total_users or 0 }}</div>
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 485, in getattr
    return getattr(obj, attribute)
           ^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'stats' is undefined

2025-06-09 19:00:45 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 19:00:45 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 19:00:51 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 19:00:51 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 19:00:53 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 19:00:53 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 19:01:39 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 19:01:39 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 19:01:45 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 19:01:45 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 19:01:59 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 19:01:59 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 19:01:59 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-09 19:02:46 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 19:02:46 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 19:02:46 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-09 19:03:11 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 19:03:11 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 19:03:11 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-09 19:03:11 - [app] app - [INFO] INFO - Datenbank mit Optimierungen initialisiert
2025-06-09 19:03:12 - [app] app - [INFO] INFO - Admin-Benutzer admin (admin@mercedes-benz.com) existiert bereits. Passwort wurde zurückgesetzt.
2025-06-09 19:03:12 - [app] app - [INFO] INFO - [START] Server startet auf 0.0.0.0:5000
2025-06-09 19:03:16 - [app] app - [ERROR] ERROR - Unhandled Exception - ID: 20250609_190316
2025-06-09 19:03:16 - [app] app - [ERROR] ERROR - URL: http://127.0.0.1:5000/admin/users
2025-06-09 19:03:16 - [app] app - [ERROR] ERROR - Method: GET
2025-06-09 19:03:16 - [app] app - [ERROR] ERROR - User: admin
2025-06-09 19:03:16 - [app] app - [ERROR] ERROR - Exception Type: UndefinedError
2025-06-09 19:03:16 - [app] app - [ERROR] ERROR - Exception: 'models.User object' has no attribute 'has_permission'
2025-06-09 19:03:16 - [app] app - [ERROR] ERROR - Traceback: Traceback (most recent call last):
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 149, in users_overview
    return render_template('admin.html', stats=stats, users=users, active_tab='users')
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/admin.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 315, in top-level template code
    {% if current_user.has_permission('CONTROL_PRINTER') %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/utils.py", line 83, in from_obj
    if hasattr(obj, "jinja_pass_arg"):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'models.User object' has no attribute 'has_permission'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask_login/utils.py", line 290, in decorated_view
    return current_app.ensure_sync(func)(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 86, in decorated_function
    return f(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 154, in users_overview
    return render_template('admin.html', stats={}, users=[], active_tab='users')
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/admin.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 315, in top-level template code
    {% if current_user.has_permission('CONTROL_PRINTER') %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/utils.py", line 83, in from_obj
    if hasattr(obj, "jinja_pass_arg"):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'models.User object' has no attribute 'has_permission'

2025-06-09 19:03:16 - [app] app - [ERROR] ERROR - Exception on /admin/users [GET]
Traceback (most recent call last):
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 149, in users_overview
    return render_template('admin.html', stats=stats, users=users, active_tab='users')
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/admin.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 315, in top-level template code
    {% if current_user.has_permission('CONTROL_PRINTER') %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/utils.py", line 83, in from_obj
    if hasattr(obj, "jinja_pass_arg"):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'models.User object' has no attribute 'has_permission'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask_login/utils.py", line 290, in decorated_view
    return current_app.ensure_sync(func)(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 86, in decorated_function
    return f(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 154, in users_overview
    return render_template('admin.html', stats={}, users=[], active_tab='users')
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/admin.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 315, in top-level template code
    {% if current_user.has_permission('CONTROL_PRINTER') %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/utils.py", line 83, in from_obj
    if hasattr(obj, "jinja_pass_arg"):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'models.User object' has no attribute 'has_permission'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1455, in wsgi_app
    response = self.full_dispatch_request()
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 869, in full_dispatch_request
    rv = self.handle_user_exception(e)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 759, in handle_user_exception
    return self.ensure_sync(handler)(e)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/app.py", line 619, in handle_exception
    return render_template('errors/500.html', error_id=error_id), 500
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/errors/500.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 315, in top-level template code
    {% if current_user.has_permission('CONTROL_PRINTER') %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/utils.py", line 83, in from_obj
    if hasattr(obj, "jinja_pass_arg"):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'models.User object' has no attribute 'has_permission'
2025-06-09 19:03:17 - [app] app - [ERROR] ERROR - Internal Server Error (500) - ID: 20250609_190317
2025-06-09 19:03:17 - [app] app - [ERROR] ERROR - URL: http://127.0.0.1:5000/admin/users
2025-06-09 19:03:17 - [app] app - [ERROR] ERROR - Method: GET
2025-06-09 19:03:17 - [app] app - [ERROR] ERROR - User: admin
2025-06-09 19:03:17 - [app] app - [ERROR] ERROR - Error: 500 Internal Server Error: The server encountered an internal error and was unable to complete your request. Either the server is overloaded or there is an error in the application.
2025-06-09 19:03:17 - [app] app - [ERROR] ERROR - Traceback: Traceback (most recent call last):
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 149, in users_overview
    return render_template('admin.html', stats=stats, users=users, active_tab='users')
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/admin.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 315, in top-level template code
    {% if current_user.has_permission('CONTROL_PRINTER') %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/utils.py", line 83, in from_obj
    if hasattr(obj, "jinja_pass_arg"):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'models.User object' has no attribute 'has_permission'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask_login/utils.py", line 290, in decorated_view
    return current_app.ensure_sync(func)(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 86, in decorated_function
    return f(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 154, in users_overview
    return render_template('admin.html', stats={}, users=[], active_tab='users')
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/admin.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 315, in top-level template code
    {% if current_user.has_permission('CONTROL_PRINTER') %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/utils.py", line 83, in from_obj
    if hasattr(obj, "jinja_pass_arg"):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'models.User object' has no attribute 'has_permission'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1455, in wsgi_app
    response = self.full_dispatch_request()
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 869, in full_dispatch_request
    rv = self.handle_user_exception(e)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 759, in handle_user_exception
    return self.ensure_sync(handler)(e)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/app.py", line 619, in handle_exception
    return render_template('errors/500.html', error_id=error_id), 500
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/errors/500.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 315, in top-level template code
    {% if current_user.has_permission('CONTROL_PRINTER') %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/utils.py", line 83, in from_obj
    if hasattr(obj, "jinja_pass_arg"):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'models.User object' has no attribute 'has_permission'

2025-06-09 19:03:17 - [app] app - [ERROR] ERROR - Unhandled Exception - ID: 20250609_190317
2025-06-09 19:03:17 - [app] app - [ERROR] ERROR - URL: http://127.0.0.1:5000/admin/users
2025-06-09 19:03:17 - [app] app - [ERROR] ERROR - Method: GET
2025-06-09 19:03:17 - [app] app - [ERROR] ERROR - User: admin
2025-06-09 19:03:17 - [app] app - [ERROR] ERROR - Exception Type: UndefinedError
2025-06-09 19:03:17 - [app] app - [ERROR] ERROR - Exception: 'models.User object' has no attribute 'has_permission'
2025-06-09 19:03:17 - [app] app - [ERROR] ERROR - Traceback: Traceback (most recent call last):
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 149, in users_overview
    return render_template('admin.html', stats=stats, users=users, active_tab='users')
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/admin.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 315, in top-level template code
    {% if current_user.has_permission('CONTROL_PRINTER') %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/utils.py", line 83, in from_obj
    if hasattr(obj, "jinja_pass_arg"):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'models.User object' has no attribute 'has_permission'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask_login/utils.py", line 290, in decorated_view
    return current_app.ensure_sync(func)(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 86, in decorated_function
    return f(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 154, in users_overview
    return render_template('admin.html', stats={}, users=[], active_tab='users')
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/admin.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 315, in top-level template code
    {% if current_user.has_permission('CONTROL_PRINTER') %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/utils.py", line 83, in from_obj
    if hasattr(obj, "jinja_pass_arg"):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'models.User object' has no attribute 'has_permission'

2025-06-09 19:03:17 - [app] app - [ERROR] ERROR - Exception on /admin/users [GET]
Traceback (most recent call last):
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 149, in users_overview
    return render_template('admin.html', stats=stats, users=users, active_tab='users')
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/admin.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 315, in top-level template code
    {% if current_user.has_permission('CONTROL_PRINTER') %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/utils.py", line 83, in from_obj
    if hasattr(obj, "jinja_pass_arg"):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'models.User object' has no attribute 'has_permission'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask_login/utils.py", line 290, in decorated_view
    return current_app.ensure_sync(func)(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 86, in decorated_function
    return f(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 154, in users_overview
    return render_template('admin.html', stats={}, users=[], active_tab='users')
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/admin.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 315, in top-level template code
    {% if current_user.has_permission('CONTROL_PRINTER') %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/utils.py", line 83, in from_obj
    if hasattr(obj, "jinja_pass_arg"):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'models.User object' has no attribute 'has_permission'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1455, in wsgi_app
    response = self.full_dispatch_request()
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 869, in full_dispatch_request
    rv = self.handle_user_exception(e)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 759, in handle_user_exception
    return self.ensure_sync(handler)(e)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/app.py", line 619, in handle_exception
    return render_template('errors/500.html', error_id=error_id), 500
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/errors/500.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 315, in top-level template code
    {% if current_user.has_permission('CONTROL_PRINTER') %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/utils.py", line 83, in from_obj
    if hasattr(obj, "jinja_pass_arg"):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'models.User object' has no attribute 'has_permission'
2025-06-09 19:03:17 - [app] app - [ERROR] ERROR - Internal Server Error (500) - ID: 20250609_190317
2025-06-09 19:03:17 - [app] app - [ERROR] ERROR - URL: http://127.0.0.1:5000/admin/users
2025-06-09 19:03:17 - [app] app - [ERROR] ERROR - Method: GET
2025-06-09 19:03:17 - [app] app - [ERROR] ERROR - User: admin
2025-06-09 19:03:17 - [app] app - [ERROR] ERROR - Error: 500 Internal Server Error: The server encountered an internal error and was unable to complete your request. Either the server is overloaded or there is an error in the application.
2025-06-09 19:03:17 - [app] app - [ERROR] ERROR - Traceback: Traceback (most recent call last):
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 149, in users_overview
    return render_template('admin.html', stats=stats, users=users, active_tab='users')
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/admin.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 315, in top-level template code
    {% if current_user.has_permission('CONTROL_PRINTER') %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/utils.py", line 83, in from_obj
    if hasattr(obj, "jinja_pass_arg"):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'models.User object' has no attribute 'has_permission'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask_login/utils.py", line 290, in decorated_view
    return current_app.ensure_sync(func)(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 86, in decorated_function
    return f(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 154, in users_overview
    return render_template('admin.html', stats={}, users=[], active_tab='users')
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/admin.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 315, in top-level template code
    {% if current_user.has_permission('CONTROL_PRINTER') %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/utils.py", line 83, in from_obj
    if hasattr(obj, "jinja_pass_arg"):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'models.User object' has no attribute 'has_permission'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1455, in wsgi_app
    response = self.full_dispatch_request()
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 869, in full_dispatch_request
    rv = self.handle_user_exception(e)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 759, in handle_user_exception
    return self.ensure_sync(handler)(e)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/app.py", line 619, in handle_exception
    return render_template('errors/500.html', error_id=error_id), 500
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/errors/500.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 315, in top-level template code
    {% if current_user.has_permission('CONTROL_PRINTER') %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/utils.py", line 83, in from_obj
    if hasattr(obj, "jinja_pass_arg"):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'models.User object' has no attribute 'has_permission'

2025-06-09 19:04:30 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 19:04:30 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 19:05:11 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 19:05:11 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 19:05:13 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 19:05:13 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 19:05:14 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-09 19:05:14 - [app] app - [INFO] INFO - Datenbank mit Optimierungen initialisiert
2025-06-09 19:05:14 - [app] app - [INFO] INFO - Admin-Benutzer admin (admin@mercedes-benz.com) existiert bereits. Passwort wurde zurückgesetzt.
2025-06-09 19:05:14 - [app] app - [INFO] INFO - [START] Server startet auf 0.0.0.0:5000
2025-06-09 19:05:47 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 19:05:47 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 19:07:45 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/stats
2025-06-09 19:07:45 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/admin/system-health
2025-06-09 19:07:50 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/stats
2025-06-09 19:07:51 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/stats
2025-06-09 19:07:51 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/admin/system-health
2025-06-09 19:07:52 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/jobs
2025-06-09 19:07:52 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/printers
2025-06-09 19:07:55 - [app] app - [ERROR] ERROR - Unhandled Exception - ID: 20250609_190755
2025-06-09 19:07:55 - [app] app - [ERROR] ERROR - URL: http://127.0.0.1:5000/admin/advanced-settings
2025-06-09 19:07:55 - [app] app - [ERROR] ERROR - Method: GET
2025-06-09 19:07:55 - [app] app - [ERROR] ERROR - User: admin
2025-06-09 19:07:55 - [app] app - [ERROR] ERROR - Exception Type: UndefinedError
2025-06-09 19:07:55 - [app] app - [ERROR] ERROR - Exception: 'stats' is undefined
2025-06-09 19:07:55 - [app] app - [ERROR] ERROR - Traceback: Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask_login/utils.py", line 290, in decorated_view
    return current_app.ensure_sync(func)(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 86, in decorated_function
    return f(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 254, in advanced_settings
    return render_template('admin_advanced_settings.html')
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/admin_advanced_settings.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 658, in top-level template code
    {% block content %}{% endblock %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/admin_advanced_settings.html", line 388, in block 'content'
    <p class="text-3xl font-bold text-slate-900 dark:text-white mt-1">{{ stats.total_users }}</p>
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 485, in getattr
    return getattr(obj, attribute)
           ^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'stats' is undefined

2025-06-09 19:07:58 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/stats
2025-06-09 19:07:58 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/admin/system-health
2025-06-09 19:08:01 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/admin/guest-requests
2025-06-09 19:08:04 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/printers
2025-06-09 19:09:19 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 19:09:19 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 19:09:19 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-09 19:09:19 - [app] app - [INFO] INFO - Datenbank mit Optimierungen initialisiert
2025-06-09 19:09:19 - [app] app - [INFO] INFO - Admin-Benutzer admin (admin@mercedes-benz.com) existiert bereits. Passwort wurde zurückgesetzt.
2025-06-09 19:09:19 - [app] app - [INFO] INFO - [START] Server startet auf 0.0.0.0:5000
2025-06-09 19:10:00 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/printers
2025-06-09 19:10:03 - [app] app - [ERROR] ERROR - Unhandled Exception - ID: 20250609_191003
2025-06-09 19:10:03 - [app] app - [ERROR] ERROR - URL: http://127.0.0.1:5000/tapo/
2025-06-09 19:10:03 - [app] app - [ERROR] ERROR - Method: GET
2025-06-09 19:10:03 - [app] app - [ERROR] ERROR - User: admin
2025-06-09 19:10:03 - [app] app - [ERROR] ERROR - Exception Type: BuildError
2025-06-09 19:10:03 - [app] app - [ERROR] ERROR - Exception: Could not build url for endpoint 'admin.manage_printers'. Did you mean 'admin.get_printer_api' instead?
2025-06-09 19:10:03 - [app] app - [ERROR] ERROR - Traceback: Traceback (most recent call last):
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/tapo_control.py", line 66, in tapo_dashboard
    return render_template('tapo_control.html',
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/tapo_control.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 658, in top-level template code
    {% block content %}{% endblock %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/tapo_control.html", line 224, in block 'content'
    <a href="{{ url_for('admin.manage_printers') }}"
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1071, in url_for
    return self.handle_url_build_error(error, endpoint, values)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1060, in url_for
    rv = url_adapter.build(  # type: ignore[union-attr]
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/werkzeug/routing/map.py", line 919, in build
    raise BuildError(endpoint, values, method, self)
werkzeug.routing.exceptions.BuildError: Could not build url for endpoint 'admin.manage_printers'. Did you mean 'admin.get_printer_api' instead?

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask_login/utils.py", line 290, in decorated_view
    return current_app.ensure_sync(func)(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask_login/utils.py", line 290, in decorated_view
    return current_app.ensure_sync(func)(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/utils/permissions.py", line 469, in wrapper
    return f(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/tapo_control.py", line 74, in tapo_dashboard
    return render_template('tapo_control.html', outlets={}, total_outlets=0, online_outlets=0)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/tapo_control.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 658, in top-level template code
    {% block content %}{% endblock %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/tapo_control.html", line 224, in block 'content'
    <a href="{{ url_for('admin.manage_printers') }}"
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1071, in url_for
    return self.handle_url_build_error(error, endpoint, values)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1060, in url_for
    rv = url_adapter.build(  # type: ignore[union-attr]
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/werkzeug/routing/map.py", line 919, in build
    raise BuildError(endpoint, values, method, self)
werkzeug.routing.exceptions.BuildError: Could not build url for endpoint 'admin.manage_printers'. Did you mean 'admin.get_printer_api' instead?

2025-06-09 19:10:04 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/jobs
2025-06-09 19:10:04 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/printers
2025-06-09 19:10:05 - [app] app - [ERROR] ERROR - Unhandled Exception - ID: 20250609_191005
2025-06-09 19:10:05 - [app] app - [ERROR] ERROR - URL: http://127.0.0.1:5000/tapo/
2025-06-09 19:10:05 - [app] app - [ERROR] ERROR - Method: GET
2025-06-09 19:10:05 - [app] app - [ERROR] ERROR - User: admin
2025-06-09 19:10:05 - [app] app - [ERROR] ERROR - Exception Type: BuildError
2025-06-09 19:10:05 - [app] app - [ERROR] ERROR - Exception: Could not build url for endpoint 'admin.manage_printers'. Did you mean 'admin.get_printer_api' instead?
2025-06-09 19:10:05 - [app] app - [ERROR] ERROR - Traceback: Traceback (most recent call last):
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/tapo_control.py", line 66, in tapo_dashboard
    return render_template('tapo_control.html',
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/tapo_control.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 658, in top-level template code
    {% block content %}{% endblock %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/tapo_control.html", line 224, in block 'content'
    <a href="{{ url_for('admin.manage_printers') }}"
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1071, in url_for
    return self.handle_url_build_error(error, endpoint, values)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1060, in url_for
    rv = url_adapter.build(  # type: ignore[union-attr]
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/werkzeug/routing/map.py", line 919, in build
    raise BuildError(endpoint, values, method, self)
werkzeug.routing.exceptions.BuildError: Could not build url for endpoint 'admin.manage_printers'. Did you mean 'admin.get_printer_api' instead?

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask_login/utils.py", line 290, in decorated_view
    return current_app.ensure_sync(func)(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask_login/utils.py", line 290, in decorated_view
    return current_app.ensure_sync(func)(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/utils/permissions.py", line 469, in wrapper
    return f(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/tapo_control.py", line 74, in tapo_dashboard
    return render_template('tapo_control.html', outlets={}, total_outlets=0, online_outlets=0)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/tapo_control.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 658, in top-level template code
    {% block content %}{% endblock %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/tapo_control.html", line 224, in block 'content'
    <a href="{{ url_for('admin.manage_printers') }}"
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1071, in url_for
    return self.handle_url_build_error(error, endpoint, values)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1060, in url_for
    rv = url_adapter.build(  # type: ignore[union-attr]
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/werkzeug/routing/map.py", line 919, in build
    raise BuildError(endpoint, values, method, self)
werkzeug.routing.exceptions.BuildError: Could not build url for endpoint 'admin.manage_printers'. Did you mean 'admin.get_printer_api' instead?

2025-06-09 19:10:27 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 19:10:27 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 19:10:40 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 19:10:40 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 19:10:46 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 19:10:46 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 19:10:52 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 19:10:52 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 19:11:04 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 19:11:04 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 19:11:04 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-09 19:11:04 - [app] app - [INFO] INFO - Datenbank mit Optimierungen initialisiert
2025-06-09 19:11:05 - [app] app - [INFO] INFO - Admin-Benutzer admin (admin@mercedes-benz.com) existiert bereits. Passwort wurde zurückgesetzt.
2025-06-09 19:11:05 - [app] app - [INFO] INFO - [START] Server startet auf 0.0.0.0:5000
2025-06-09 19:11:07 - [app] app - [ERROR] ERROR - Unhandled Exception - ID: 20250609_191107
2025-06-09 19:11:07 - [app] app - [ERROR] ERROR - URL: http://127.0.0.1:5000/tapo/
2025-06-09 19:11:07 - [app] app - [ERROR] ERROR - Method: GET
2025-06-09 19:11:07 - [app] app - [ERROR] ERROR - User: admin
2025-06-09 19:11:07 - [app] app - [ERROR] ERROR - Exception Type: BuildError
2025-06-09 19:11:07 - [app] app - [ERROR] ERROR - Exception: Could not build url for endpoint 'admin.manage_printers'. Did you mean 'admin.get_printer_api' instead?
2025-06-09 19:11:07 - [app] app - [ERROR] ERROR - Traceback: Traceback (most recent call last):
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/tapo_control.py", line 66, in tapo_dashboard
    return render_template('tapo_control.html',
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/tapo_control.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 658, in top-level template code
    {% block content %}{% endblock %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/tapo_control.html", line 224, in block 'content'
    <a href="{{ url_for('admin.manage_printers') }}"
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1071, in url_for
    return self.handle_url_build_error(error, endpoint, values)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1060, in url_for
    rv = url_adapter.build(  # type: ignore[union-attr]
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/werkzeug/routing/map.py", line 919, in build
    raise BuildError(endpoint, values, method, self)
werkzeug.routing.exceptions.BuildError: Could not build url for endpoint 'admin.manage_printers'. Did you mean 'admin.get_printer_api' instead?

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask_login/utils.py", line 290, in decorated_view
    return current_app.ensure_sync(func)(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask_login/utils.py", line 290, in decorated_view
    return current_app.ensure_sync(func)(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/utils/permissions.py", line 469, in wrapper
    return f(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/tapo_control.py", line 74, in tapo_dashboard
    return render_template('tapo_control.html', outlets={}, total_outlets=0, online_outlets=0)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/tapo_control.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 658, in top-level template code
    {% block content %}{% endblock %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/tapo_control.html", line 224, in block 'content'
    <a href="{{ url_for('admin.manage_printers') }}"
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1071, in url_for
    return self.handle_url_build_error(error, endpoint, values)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1060, in url_for
    rv = url_adapter.build(  # type: ignore[union-attr]
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/werkzeug/routing/map.py", line 919, in build
    raise BuildError(endpoint, values, method, self)
werkzeug.routing.exceptions.BuildError: Could not build url for endpoint 'admin.manage_printers'. Did you mean 'admin.get_printer_api' instead?

2025-06-09 19:11:41 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 19:11:41 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 19:13:21 - [app] app - [ERROR] ERROR - Unhandled Exception - ID: 20250609_191321
2025-06-09 19:13:21 - [app] app - [ERROR] ERROR - URL: http://127.0.0.1:5000/tapo/
2025-06-09 19:13:21 - [app] app - [ERROR] ERROR - Method: GET
2025-06-09 19:13:21 - [app] app - [ERROR] ERROR - User: admin
2025-06-09 19:13:21 - [app] app - [ERROR] ERROR - Exception Type: BuildError
2025-06-09 19:13:21 - [app] app - [ERROR] ERROR - Exception: Could not build url for endpoint 'admin.manage_printers'. Did you mean 'admin.get_printer_api' instead?
2025-06-09 19:13:21 - [app] app - [ERROR] ERROR - Traceback: Traceback (most recent call last):
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/tapo_control.py", line 66, in tapo_dashboard
    outlets=outlets_status,
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/tapo_control.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 658, in top-level template code
    {% block content %}{% endblock %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/tapo_control.html", line 224, in block 'content'
    <a href="{{ url_for('admin.manage_printers') }}"
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1071, in url_for
    return self.handle_url_build_error(error, endpoint, values)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1060, in url_for
    rv = url_adapter.build(  # type: ignore[union-attr]
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/werkzeug/routing/map.py", line 919, in build
    raise BuildError(endpoint, values, method, self)
werkzeug.routing.exceptions.BuildError: Could not build url for endpoint 'admin.manage_printers'. Did you mean 'admin.get_printer_api' instead?

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask_login/utils.py", line 290, in decorated_view
    return current_app.ensure_sync(func)(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask_login/utils.py", line 290, in decorated_view
    return current_app.ensure_sync(func)(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/utils/permissions.py", line 469, in wrapper
    return f(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/tapo_control.py", line 74, in tapo_dashboard
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/tapo_control.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 658, in top-level template code
    {% block content %}{% endblock %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/tapo_control.html", line 224, in block 'content'
    <a href="{{ url_for('admin.manage_printers') }}"
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1071, in url_for
    return self.handle_url_build_error(error, endpoint, values)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1060, in url_for
    rv = url_adapter.build(  # type: ignore[union-attr]
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/werkzeug/routing/map.py", line 919, in build
    raise BuildError(endpoint, values, method, self)
werkzeug.routing.exceptions.BuildError: Could not build url for endpoint 'admin.manage_printers'. Did you mean 'admin.get_printer_api' instead?

2025-06-09 19:14:33 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 19:14:33 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 19:14:33 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-09 19:14:33 - [app] app - [INFO] INFO - Datenbank mit Optimierungen initialisiert
2025-06-09 19:14:34 - [app] app - [INFO] INFO - Admin-Benutzer admin (admin@mercedes-benz.com) existiert bereits. Passwort wurde zurückgesetzt.
2025-06-09 19:14:34 - [app] app - [INFO] INFO - [START] Server startet auf 0.0.0.0:5000
2025-06-09 19:14:48 - [app] app - [ERROR] ERROR - Unhandled Exception - ID: 20250609_191448
2025-06-09 19:14:48 - [app] app - [ERROR] ERROR - URL: http://127.0.0.1:5000/tapo/
2025-06-09 19:14:48 - [app] app - [ERROR] ERROR - Method: GET
2025-06-09 19:14:48 - [app] app - [ERROR] ERROR - User: admin
2025-06-09 19:14:48 - [app] app - [ERROR] ERROR - Exception Type: BuildError
2025-06-09 19:14:48 - [app] app - [ERROR] ERROR - Exception: Could not build url for endpoint 'admin.manage_printers'. Did you mean 'admin.get_printer_api' instead?
2025-06-09 19:14:48 - [app] app - [ERROR] ERROR - Traceback: Traceback (most recent call last):
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/tapo_control.py", line 65, in tapo_dashboard
    return render_template('tapo_control.html',
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/tapo_control.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 658, in top-level template code
    {% block content %}{% endblock %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/tapo_control.html", line 224, in block 'content'
    <a href="{{ url_for('admin.manage_printers') }}"
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1071, in url_for
    return self.handle_url_build_error(error, endpoint, values)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1060, in url_for
    rv = url_adapter.build(  # type: ignore[union-attr]
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/werkzeug/routing/map.py", line 919, in build
    raise BuildError(endpoint, values, method, self)
werkzeug.routing.exceptions.BuildError: Could not build url for endpoint 'admin.manage_printers'. Did you mean 'admin.get_printer_api' instead?

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask_login/utils.py", line 290, in decorated_view
    return current_app.ensure_sync(func)(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/tapo_control.py", line 73, in tapo_dashboard
    return render_template('tapo_control.html', outlets={}, total_outlets=0, online_outlets=0)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/tapo_control.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 658, in top-level template code
    {% block content %}{% endblock %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/tapo_control.html", line 224, in block 'content'
    <a href="{{ url_for('admin.manage_printers') }}"
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1071, in url_for
    return self.handle_url_build_error(error, endpoint, values)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1060, in url_for
    rv = url_adapter.build(  # type: ignore[union-attr]
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/werkzeug/routing/map.py", line 919, in build
    raise BuildError(endpoint, values, method, self)
werkzeug.routing.exceptions.BuildError: Could not build url for endpoint 'admin.manage_printers'. Did you mean 'admin.get_printer_api' instead?

2025-06-09 19:14:52 - [app] app - [ERROR] ERROR - Unhandled Exception - ID: 20250609_191452
2025-06-09 19:14:52 - [app] app - [ERROR] ERROR - URL: http://127.0.0.1:5000/tapo/
2025-06-09 19:14:52 - [app] app - [ERROR] ERROR - Method: GET
2025-06-09 19:14:52 - [app] app - [ERROR] ERROR - User: admin
2025-06-09 19:14:52 - [app] app - [ERROR] ERROR - Exception Type: BuildError
2025-06-09 19:14:52 - [app] app - [ERROR] ERROR - Exception: Could not build url for endpoint 'admin.manage_printers'. Did you mean 'admin.get_printer_api' instead?
2025-06-09 19:14:52 - [app] app - [ERROR] ERROR - Traceback: Traceback (most recent call last):
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/tapo_control.py", line 65, in tapo_dashboard
    return render_template('tapo_control.html',
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/tapo_control.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 658, in top-level template code
    {% block content %}{% endblock %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/tapo_control.html", line 224, in block 'content'
    <a href="{{ url_for('admin.manage_printers') }}"
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1071, in url_for
    return self.handle_url_build_error(error, endpoint, values)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1060, in url_for
    rv = url_adapter.build(  # type: ignore[union-attr]
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/werkzeug/routing/map.py", line 919, in build
    raise BuildError(endpoint, values, method, self)
werkzeug.routing.exceptions.BuildError: Could not build url for endpoint 'admin.manage_printers'. Did you mean 'admin.get_printer_api' instead?

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask_login/utils.py", line 290, in decorated_view
    return current_app.ensure_sync(func)(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/tapo_control.py", line 73, in tapo_dashboard
    return render_template('tapo_control.html', outlets={}, total_outlets=0, online_outlets=0)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/tapo_control.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 658, in top-level template code
    {% block content %}{% endblock %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/tapo_control.html", line 224, in block 'content'
    <a href="{{ url_for('admin.manage_printers') }}"
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1071, in url_for
    return self.handle_url_build_error(error, endpoint, values)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1060, in url_for
    rv = url_adapter.build(  # type: ignore[union-attr]
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/werkzeug/routing/map.py", line 919, in build
    raise BuildError(endpoint, values, method, self)
werkzeug.routing.exceptions.BuildError: Could not build url for endpoint 'admin.manage_printers'. Did you mean 'admin.get_printer_api' instead?

2025-06-09 19:14:57 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/admin/system-health
2025-06-09 19:15:11 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/admin/system-health
2025-06-09 19:15:29 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 19:15:29 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 19:18:14 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 19:18:14 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 19:18:14 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-09 19:18:14 - [app] app - [INFO] INFO - Datenbank mit Optimierungen initialisiert
2025-06-09 19:18:15 - [app] app - [INFO] INFO - Admin-Benutzer admin (admin@mercedes-benz.com) existiert bereits. Passwort wurde zurückgesetzt.
2025-06-09 19:18:15 - [app] app - [INFO] INFO - [START] Server startet auf 0.0.0.0:5000
2025-06-09 19:19:50 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 19:19:50 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 19:20:17 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/admin/system-health
2025-06-09 19:20:23 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 19:20:23 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 19:20:23 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-09 19:20:23 - [app] app - [INFO] INFO - Datenbank mit Optimierungen initialisiert
2025-06-09 19:20:24 - [app] app - [INFO] INFO - Admin-Benutzer admin (admin@mercedes-benz.com) existiert bereits. Passwort wurde zurückgesetzt.
2025-06-09 19:20:24 - [app] app - [INFO] INFO - [START] Server startet auf 0.0.0.0:5000
2025-06-09 19:20:27 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/admin/system-health
2025-06-09 19:20:29 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/admin/system-health
2025-06-09 19:20:36 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/admin/system-health
2025-06-09 19:20:53 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 19:20:53 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 19:20:53 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-09 19:21:06 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/admin/system-health
2025-06-09 19:21:10 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/admin/system-health
2025-06-09 19:21:25 - [app] app - [ERROR] ERROR - Unhandled Exception - ID: 20250609_192125
2025-06-09 19:21:25 - [app] app - [ERROR] ERROR - URL: http://127.0.0.1:5000/auth/login
2025-06-09 19:21:25 - [app] app - [ERROR] ERROR - Method: GET
2025-06-09 19:21:25 - [app] app - [ERROR] ERROR - User: Anonymous
2025-06-09 19:21:25 - [app] app - [ERROR] ERROR - Exception Type: UndefinedError
2025-06-09 19:21:25 - [app] app - [ERROR] ERROR - Exception: 'flask_login.mixins.AnonymousUserMixin object' has no attribute 'has_permission'
2025-06-09 19:21:25 - [app] app - [ERROR] ERROR - Traceback: Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/auth.py", line 133, in login
    return render_template("login.html", error=error)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/login.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 315, in top-level template code
    {% if current_user.has_permission('CONTROL_PRINTER') %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/utils.py", line 83, in from_obj
    if hasattr(obj, "jinja_pass_arg"):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'flask_login.mixins.AnonymousUserMixin object' has no attribute 'has_permission'

2025-06-09 19:21:25 - [app] app - [ERROR] ERROR - Exception on /auth/login [GET]
Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/auth.py", line 133, in login
    return render_template("login.html", error=error)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/login.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 315, in top-level template code
    {% if current_user.has_permission('CONTROL_PRINTER') %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/utils.py", line 83, in from_obj
    if hasattr(obj, "jinja_pass_arg"):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'flask_login.mixins.AnonymousUserMixin object' has no attribute 'has_permission'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1455, in wsgi_app
    response = self.full_dispatch_request()
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 869, in full_dispatch_request
    rv = self.handle_user_exception(e)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 759, in handle_user_exception
    return self.ensure_sync(handler)(e)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/app.py", line 621, in handle_exception
    return render_template('errors/500.html', error_id=error_id), 500
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/errors/500.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 315, in top-level template code
    {% if current_user.has_permission('CONTROL_PRINTER') %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/utils.py", line 83, in from_obj
    if hasattr(obj, "jinja_pass_arg"):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'flask_login.mixins.AnonymousUserMixin object' has no attribute 'has_permission'
2025-06-09 19:21:25 - [app] app - [ERROR] ERROR - Internal Server Error (500) - ID: 20250609_192125
2025-06-09 19:21:25 - [app] app - [ERROR] ERROR - URL: http://127.0.0.1:5000/auth/login
2025-06-09 19:21:25 - [app] app - [ERROR] ERROR - Method: GET
2025-06-09 19:21:25 - [app] app - [ERROR] ERROR - User: Anonymous
2025-06-09 19:21:25 - [app] app - [ERROR] ERROR - Error: 500 Internal Server Error: The server encountered an internal error and was unable to complete your request. Either the server is overloaded or there is an error in the application.
2025-06-09 19:21:25 - [app] app - [ERROR] ERROR - Traceback: Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/auth.py", line 133, in login
    return render_template("login.html", error=error)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/login.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 315, in top-level template code
    {% if current_user.has_permission('CONTROL_PRINTER') %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/utils.py", line 83, in from_obj
    if hasattr(obj, "jinja_pass_arg"):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'flask_login.mixins.AnonymousUserMixin object' has no attribute 'has_permission'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1455, in wsgi_app
    response = self.full_dispatch_request()
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 869, in full_dispatch_request
    rv = self.handle_user_exception(e)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 759, in handle_user_exception
    return self.ensure_sync(handler)(e)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/app.py", line 621, in handle_exception
    return render_template('errors/500.html', error_id=error_id), 500
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/errors/500.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 315, in top-level template code
    {% if current_user.has_permission('CONTROL_PRINTER') %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/utils.py", line 83, in from_obj
    if hasattr(obj, "jinja_pass_arg"):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'flask_login.mixins.AnonymousUserMixin object' has no attribute 'has_permission'

2025-06-09 19:21:30 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 19:21:30 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 19:21:30 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-09 19:26:04 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 19:26:04 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 19:26:04 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-09 19:26:04 - [app] app - [INFO] INFO - Datenbank mit Optimierungen initialisiert
2025-06-09 19:26:05 - [app] app - [INFO] INFO - Admin-Benutzer admin (admin@mercedes-benz.com) existiert bereits. Passwort wurde zurückgesetzt.
2025-06-09 19:26:05 - [app] app - [INFO] INFO - [START] Server startet auf 0.0.0.0:5000
2025-06-09 19:26:11 - [app] app - [ERROR] ERROR - Unhandled Exception - ID: 20250609_192611
2025-06-09 19:26:11 - [app] app - [ERROR] ERROR - URL: http://127.0.0.1:5000/auth/login
2025-06-09 19:26:11 - [app] app - [ERROR] ERROR - Method: GET
2025-06-09 19:26:11 - [app] app - [ERROR] ERROR - User: Anonymous
2025-06-09 19:26:11 - [app] app - [ERROR] ERROR - Exception Type: UndefinedError
2025-06-09 19:26:11 - [app] app - [ERROR] ERROR - Exception: 'flask_login.mixins.AnonymousUserMixin object' has no attribute 'has_permission'
2025-06-09 19:26:11 - [app] app - [ERROR] ERROR - Traceback: Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/auth.py", line 133, in login
    return render_template("login.html", error=error)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/login.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 315, in top-level template code
    {% if current_user.has_permission('CONTROL_PRINTER') %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/utils.py", line 83, in from_obj
    if hasattr(obj, "jinja_pass_arg"):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'flask_login.mixins.AnonymousUserMixin object' has no attribute 'has_permission'

2025-06-09 19:26:11 - [app] app - [ERROR] ERROR - Exception on /auth/login [GET]
Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/auth.py", line 133, in login
    return render_template("login.html", error=error)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/login.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 315, in top-level template code
    {% if current_user.has_permission('CONTROL_PRINTER') %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/utils.py", line 83, in from_obj
    if hasattr(obj, "jinja_pass_arg"):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'flask_login.mixins.AnonymousUserMixin object' has no attribute 'has_permission'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1455, in wsgi_app
    response = self.full_dispatch_request()
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 869, in full_dispatch_request
    rv = self.handle_user_exception(e)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 759, in handle_user_exception
    return self.ensure_sync(handler)(e)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/app.py", line 621, in handle_exception
    return render_template('errors/500.html', error_id=error_id), 500
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/errors/500.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 315, in top-level template code
    {% if current_user.has_permission('CONTROL_PRINTER') %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/utils.py", line 83, in from_obj
    if hasattr(obj, "jinja_pass_arg"):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'flask_login.mixins.AnonymousUserMixin object' has no attribute 'has_permission'
2025-06-09 19:26:11 - [app] app - [ERROR] ERROR - Internal Server Error (500) - ID: 20250609_192611
2025-06-09 19:26:11 - [app] app - [ERROR] ERROR - URL: http://127.0.0.1:5000/auth/login
2025-06-09 19:26:11 - [app] app - [ERROR] ERROR - Method: GET
2025-06-09 19:26:11 - [app] app - [ERROR] ERROR - User: Anonymous
2025-06-09 19:26:11 - [app] app - [ERROR] ERROR - Error: 500 Internal Server Error: The server encountered an internal error and was unable to complete your request. Either the server is overloaded or there is an error in the application.
2025-06-09 19:26:11 - [app] app - [ERROR] ERROR - Traceback: Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/auth.py", line 133, in login
    return render_template("login.html", error=error)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/login.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 315, in top-level template code
    {% if current_user.has_permission('CONTROL_PRINTER') %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/utils.py", line 83, in from_obj
    if hasattr(obj, "jinja_pass_arg"):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'flask_login.mixins.AnonymousUserMixin object' has no attribute 'has_permission'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1455, in wsgi_app
    response = self.full_dispatch_request()
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 869, in full_dispatch_request
    rv = self.handle_user_exception(e)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 759, in handle_user_exception
    return self.ensure_sync(handler)(e)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/app.py", line 621, in handle_exception
    return render_template('errors/500.html', error_id=error_id), 500
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/errors/500.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 315, in top-level template code
    {% if current_user.has_permission('CONTROL_PRINTER') %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/utils.py", line 83, in from_obj
    if hasattr(obj, "jinja_pass_arg"):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'flask_login.mixins.AnonymousUserMixin object' has no attribute 'has_permission'

2025-06-09 19:26:11 - [app] app - [ERROR] ERROR - Unhandled Exception - ID: 20250609_192611
2025-06-09 19:26:11 - [app] app - [ERROR] ERROR - URL: http://127.0.0.1:5000/auth/login
2025-06-09 19:26:11 - [app] app - [ERROR] ERROR - Method: GET
2025-06-09 19:26:11 - [app] app - [ERROR] ERROR - User: Anonymous
2025-06-09 19:26:11 - [app] app - [ERROR] ERROR - Exception Type: UndefinedError
2025-06-09 19:26:11 - [app] app - [ERROR] ERROR - Exception: 'flask_login.mixins.AnonymousUserMixin object' has no attribute 'has_permission'
2025-06-09 19:26:11 - [app] app - [ERROR] ERROR - Traceback: Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/auth.py", line 133, in login
    return render_template("login.html", error=error)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/login.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 315, in top-level template code
    {% if current_user.has_permission('CONTROL_PRINTER') %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/utils.py", line 83, in from_obj
    if hasattr(obj, "jinja_pass_arg"):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'flask_login.mixins.AnonymousUserMixin object' has no attribute 'has_permission'

2025-06-09 19:26:11 - [app] app - [ERROR] ERROR - Exception on /auth/login [GET]
Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/auth.py", line 133, in login
    return render_template("login.html", error=error)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/login.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 315, in top-level template code
    {% if current_user.has_permission('CONTROL_PRINTER') %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/utils.py", line 83, in from_obj
    if hasattr(obj, "jinja_pass_arg"):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'flask_login.mixins.AnonymousUserMixin object' has no attribute 'has_permission'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1455, in wsgi_app
    response = self.full_dispatch_request()
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 869, in full_dispatch_request
    rv = self.handle_user_exception(e)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 759, in handle_user_exception
    return self.ensure_sync(handler)(e)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/app.py", line 621, in handle_exception
    return render_template('errors/500.html', error_id=error_id), 500
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/errors/500.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 315, in top-level template code
    {% if current_user.has_permission('CONTROL_PRINTER') %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/utils.py", line 83, in from_obj
    if hasattr(obj, "jinja_pass_arg"):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'flask_login.mixins.AnonymousUserMixin object' has no attribute 'has_permission'
2025-06-09 19:26:11 - [app] app - [ERROR] ERROR - Internal Server Error (500) - ID: 20250609_192611
2025-06-09 19:26:11 - [app] app - [ERROR] ERROR - URL: http://127.0.0.1:5000/auth/login
2025-06-09 19:26:11 - [app] app - [ERROR] ERROR - Method: GET
2025-06-09 19:26:11 - [app] app - [ERROR] ERROR - User: Anonymous
2025-06-09 19:26:11 - [app] app - [ERROR] ERROR - Error: 500 Internal Server Error: The server encountered an internal error and was unable to complete your request. Either the server is overloaded or there is an error in the application.
2025-06-09 19:26:11 - [app] app - [ERROR] ERROR - Traceback: Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/auth.py", line 133, in login
    return render_template("login.html", error=error)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/login.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 315, in top-level template code
    {% if current_user.has_permission('CONTROL_PRINTER') %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/utils.py", line 83, in from_obj
    if hasattr(obj, "jinja_pass_arg"):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'flask_login.mixins.AnonymousUserMixin object' has no attribute 'has_permission'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1455, in wsgi_app
    response = self.full_dispatch_request()
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 869, in full_dispatch_request
    rv = self.handle_user_exception(e)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 759, in handle_user_exception
    return self.ensure_sync(handler)(e)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/app.py", line 621, in handle_exception
    return render_template('errors/500.html', error_id=error_id), 500
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/errors/500.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 315, in top-level template code
    {% if current_user.has_permission('CONTROL_PRINTER') %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/utils.py", line 83, in from_obj
    if hasattr(obj, "jinja_pass_arg"):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'flask_login.mixins.AnonymousUserMixin object' has no attribute 'has_permission'

2025-06-09 19:26:13 - [app] app - [ERROR] ERROR - Unhandled Exception - ID: 20250609_192613
2025-06-09 19:26:13 - [app] app - [ERROR] ERROR - URL: http://127.0.0.1:5000/auth/login?next=/api/session/status
2025-06-09 19:26:13 - [app] app - [ERROR] ERROR - Method: GET
2025-06-09 19:26:13 - [app] app - [ERROR] ERROR - User: Anonymous
2025-06-09 19:26:13 - [app] app - [ERROR] ERROR - Exception Type: UndefinedError
2025-06-09 19:26:13 - [app] app - [ERROR] ERROR - Exception: 'flask_login.mixins.AnonymousUserMixin object' has no attribute 'has_permission'
2025-06-09 19:26:13 - [app] app - [ERROR] ERROR - Traceback: Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/auth.py", line 133, in login
    return render_template("login.html", error=error)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/login.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 315, in top-level template code
    {% if current_user.has_permission('CONTROL_PRINTER') %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/utils.py", line 83, in from_obj
    if hasattr(obj, "jinja_pass_arg"):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'flask_login.mixins.AnonymousUserMixin object' has no attribute 'has_permission'

2025-06-09 19:26:16 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/dashboard/refresh
2025-06-09 19:26:16 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/dashboard/refresh
2025-06-09 19:26:16 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/dashboard/refresh
2025-06-09 19:26:18 - [app] app - [ERROR] ERROR - Unhandled Exception - ID: 20250609_192618
2025-06-09 19:26:18 - [app] app - [ERROR] ERROR - URL: http://127.0.0.1:5000/auth/login?next=/dashboard
2025-06-09 19:26:18 - [app] app - [ERROR] ERROR - Method: GET
2025-06-09 19:26:18 - [app] app - [ERROR] ERROR - User: Anonymous
2025-06-09 19:26:18 - [app] app - [ERROR] ERROR - Exception Type: UndefinedError
2025-06-09 19:26:18 - [app] app - [ERROR] ERROR - Exception: 'flask_login.mixins.AnonymousUserMixin object' has no attribute 'has_permission'
2025-06-09 19:26:18 - [app] app - [ERROR] ERROR - Traceback: Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/auth.py", line 133, in login
    return render_template("login.html", error=error)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/login.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 315, in top-level template code
    {% if current_user.has_permission('CONTROL_PRINTER') %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/utils.py", line 83, in from_obj
    if hasattr(obj, "jinja_pass_arg"):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'flask_login.mixins.AnonymousUserMixin object' has no attribute 'has_permission'

2025-06-09 19:26:18 - [app] app - [ERROR] ERROR - Exception on /auth/login [GET]
Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/auth.py", line 133, in login
    return render_template("login.html", error=error)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/login.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 315, in top-level template code
    {% if current_user.has_permission('CONTROL_PRINTER') %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/utils.py", line 83, in from_obj
    if hasattr(obj, "jinja_pass_arg"):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'flask_login.mixins.AnonymousUserMixin object' has no attribute 'has_permission'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1455, in wsgi_app
    response = self.full_dispatch_request()
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 869, in full_dispatch_request
    rv = self.handle_user_exception(e)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 759, in handle_user_exception
    return self.ensure_sync(handler)(e)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/app.py", line 621, in handle_exception
    return render_template('errors/500.html', error_id=error_id), 500
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/errors/500.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 315, in top-level template code
    {% if current_user.has_permission('CONTROL_PRINTER') %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/utils.py", line 83, in from_obj
    if hasattr(obj, "jinja_pass_arg"):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'flask_login.mixins.AnonymousUserMixin object' has no attribute 'has_permission'
2025-06-09 19:26:18 - [app] app - [ERROR] ERROR - Internal Server Error (500) - ID: 20250609_192618
2025-06-09 19:26:18 - [app] app - [ERROR] ERROR - URL: http://127.0.0.1:5000/auth/login?next=/dashboard
2025-06-09 19:26:18 - [app] app - [ERROR] ERROR - Method: GET
2025-06-09 19:26:18 - [app] app - [ERROR] ERROR - User: Anonymous
2025-06-09 19:26:18 - [app] app - [ERROR] ERROR - Error: 500 Internal Server Error: The server encountered an internal error and was unable to complete your request. Either the server is overloaded or there is an error in the application.
2025-06-09 19:26:18 - [app] app - [ERROR] ERROR - Traceback: Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/auth.py", line 133, in login
    return render_template("login.html", error=error)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/login.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 315, in top-level template code
    {% if current_user.has_permission('CONTROL_PRINTER') %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/utils.py", line 83, in from_obj
    if hasattr(obj, "jinja_pass_arg"):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'flask_login.mixins.AnonymousUserMixin object' has no attribute 'has_permission'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 1455, in wsgi_app
    response = self.full_dispatch_request()
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 869, in full_dispatch_request
    rv = self.handle_user_exception(e)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 759, in handle_user_exception
    return self.ensure_sync(handler)(e)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/app.py", line 621, in handle_exception
    return render_template('errors/500.html', error_id=error_id), 500
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/errors/500.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 315, in top-level template code
    {% if current_user.has_permission('CONTROL_PRINTER') %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/utils.py", line 83, in from_obj
    if hasattr(obj, "jinja_pass_arg"):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'flask_login.mixins.AnonymousUserMixin object' has no attribute 'has_permission'

2025-06-09 19:29:27 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 19:29:27 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 19:29:27 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-09 19:29:57 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 19:29:57 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 19:29:57 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-09 19:30:13 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 19:30:13 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 19:30:13 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-09 19:30:19 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 19:30:19 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 19:30:19 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-09 19:30:33 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 19:30:33 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 19:30:33 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-09 19:30:40 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 19:30:40 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 19:30:40 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-09 19:30:59 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 19:30:59 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 19:30:59 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-09 19:30:59 - [app] app - [INFO] INFO - Datenbank mit Optimierungen initialisiert
2025-06-09 19:30:59 - [app] app - [INFO] INFO - Admin-Benutzer admin (admin@mercedes-benz.com) existiert bereits. Passwort wurde zurückgesetzt.
2025-06-09 19:30:59 - [app] app - [INFO] INFO - [START] Server startet auf 0.0.0.0:5000
2025-06-09 19:31:10 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/stats
2025-06-09 19:31:10 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/admin/system-health
2025-06-09 19:31:14 - [app] app - [INFO] INFO - Steckdosen-Status geloggt: Drucker 1, Status: disconnected, Quelle: system
2025-06-09 19:31:15 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/stats
2025-06-09 19:31:16 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-09 19:31:16 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: /cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/instance/printer_manager.db
2025-06-09 19:31:17 - [app] app - [INFO] INFO - Steckdosen-Status geloggt: Drucker 2, Status: disconnected, Quelle: system
2025-06-09 19:31:17 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-09 19:31:19 - [app] app - [INFO] INFO - Steckdosen-Status geloggt: Drucker 3, Status: disconnected, Quelle: system
2025-06-09 19:31:19 - [app] app - [INFO] INFO - Steckdosen-Status geloggt: Drucker 1, Status: disconnected, Quelle: system
2025-06-09 19:31:20 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/stats
2025-06-09 19:31:21 - [app] app - [INFO] INFO - Steckdosen-Status geloggt: Drucker 4, Status: disconnected, Quelle: system
2025-06-09 19:31:21 - [app] app - [INFO] INFO - Steckdosen-Status geloggt: Drucker 2, Status: disconnected, Quelle: system
2025-06-09 19:31:23 - [app] app - [INFO] INFO - Steckdosen-Status geloggt: Drucker 5, Status: disconnected, Quelle: system
2025-06-09 19:31:23 - [app] app - [INFO] INFO - Steckdosen-Status geloggt: Drucker 3, Status: disconnected, Quelle: system
2025-06-09 19:31:25 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/stats
2025-06-09 19:31:25 - [app] app - [INFO] INFO - Steckdosen-Status geloggt: Drucker 6, Status: disconnected, Quelle: system
2025-06-09 19:31:25 - [app] app - [INFO] INFO - Steckdosen-Status geloggt: Drucker 4, Status: disconnected, Quelle: system
2025-06-09 19:31:27 - [app] app - [INFO] INFO - Steckdosen-Status geloggt: Drucker 5, Status: disconnected, Quelle: system
2025-06-09 19:31:30 - [app] app - [INFO] INFO - Steckdosen-Status geloggt: Drucker 6, Status: disconnected, Quelle: system
2025-06-09 19:31:32 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/stats
2025-06-09 19:31:32 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/admin/system-health
2025-06-09 19:31:37 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/stats
2025-06-09 19:31:47 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/stats
2025-06-09 19:31:47 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/admin/system-health
2025-06-09 19:31:52 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/stats
2025-06-09 19:31:52 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/admin/system-health
2025-06-09 19:31:53 - [app] app - [ERROR] ERROR - Unhandled Exception - ID: 20250609_193153
2025-06-09 19:31:53 - [app] app - [ERROR] ERROR - URL: http://127.0.0.1:5000/admin/advanced-settings
2025-06-09 19:31:53 - [app] app - [ERROR] ERROR - Method: GET
2025-06-09 19:31:53 - [app] app - [ERROR] ERROR - User: admin
2025-06-09 19:31:53 - [app] app - [ERROR] ERROR - Exception Type: UndefinedError
2025-06-09 19:31:53 - [app] app - [ERROR] ERROR - Exception: 'stats' is undefined
2025-06-09 19:31:53 - [app] app - [ERROR] ERROR - Traceback: Traceback (most recent call last):
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask_login/utils.py", line 290, in decorated_view
    return current_app.ensure_sync(func)(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 87, in decorated_function
    return f(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/blueprints/admin_unified.py", line 286, in advanced_settings
    return render_template('admin_advanced_settings.html')
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 152, in render_template
    return _render(app, template, context)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/flask/templating.py", line 133, in _render
    rv = template.render(context)
         ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/admin_advanced_settings.html", line 1, in top-level template code
    {% extends "base.html" %}
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/base.html", line 658, in top-level template code
    {% block content %}{% endblock %}
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/cbin/C0S1-cernel/C02L2/Dateiverwaltung/nextcloud/core/files/3_Beruf_Ausbildung_und_Schule/IHK-Abschlussprüfung/Projektarbeit-MYP/backend/templates/admin_advanced_settings.html", line 388, in block 'content'
    <p class="text-3xl font-bold text-slate-900 dark:text-white mt-1">{{ stats.total_users }}</p>
    ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/core/.local/lib/python3.11/site-packages/jinja2/environment.py", line 485, in getattr
    return getattr(obj, attribute)
           ^^^^^^^^^^^^^^^^^^^^^^^
jinja2.exceptions.UndefinedError: 'stats' is undefined

2025-06-09 19:32:01 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/stats
2025-06-09 19:32:01 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/admin/system-health
2025-06-09 19:32:03 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/jobs
2025-06-09 19:32:03 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/printers
2025-06-09 19:32:06 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/stats
2025-06-09 19:32:06 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/admin/system-health
2025-06-09 19:32:11 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/stats
2025-06-09 19:32:13 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/stats
2025-06-09 19:32:13 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/admin/system-health
2025-06-09 19:32:18 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/stats
2025-06-10 10:01:57 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-10 10:01:57 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: C:\Users\TTOMCZA.EMEA\Dev\Projektarbeit-MYP\backend\instance\printer_manager.db
2025-06-10 10:01:58 - [app] app - [INFO] INFO - SQLite für Raspberry Pi optimiert (reduzierte Cache-Größe, SD-Karten I/O)
2025-06-10 10:01:58 - [app] app - [INFO] INFO - Datenbank mit Optimierungen initialisiert
2025-06-10 10:01:58 - [app] app - [INFO] INFO - Admin-Benutzer admin (admin@mercedes-benz.com) existiert bereits. Passwort wurde zurückgesetzt.
2025-06-10 10:01:58 - [app] app - [INFO] INFO - [START] Server startet auf 0.0.0.0:5000
2025-06-10 10:02:14 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/static/icons/icon-192.png
2025-06-10 10:02:26 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/static/icons/icon-192.png
2025-06-10 10:02:30 - [app] app - [INFO] INFO - Steckdosen-Status geloggt: Drucker 1, Status: disconnected, Quelle: system
2025-06-10 10:02:32 - [app] app - [INFO] INFO - Steckdosen-Status geloggt: Drucker 2, Status: disconnected, Quelle: system
2025-06-10 10:02:34 - [app] app - [INFO] INFO - Steckdosen-Status geloggt: Drucker 3, Status: disconnected, Quelle: system
2025-06-10 10:02:35 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/api/printers
2025-06-10 10:02:35 - [app] app - [ERROR] ERROR - Fehler beim Laden des Benutzers 1: (sqlite3.InterfaceError) bad parameter or other API misuse
[SQL: SELECT users.id AS users_id, users.email AS users_email, users.username AS users_username, users.password_hash AS users_password_hash, users.name AS users_name, users.role AS users_role, users.active AS users_active, users.created_at AS users_created_at, users.last_login AS users_last_login, users.updated_at AS users_updated_at, users.settings AS users_settings, users.last_activity AS users_last_activity, users.department AS users_department, users.position AS users_position, users.phone AS users_phone, users.bio AS users_bio, users.theme_preference AS users_theme_preference, users.language_preference AS users_language_preference, users.email_notifications AS users_email_notifications, users.browser_notifications AS users_browser_notifications, users.dashboard_layout AS users_dashboard_layout, users.compact_mode AS users_compact_mode, users.show_completed_jobs AS users_show_completed_jobs, users.auto_refresh_interval AS users_auto_refresh_interval, users.auto_logout_timeout AS users_auto_logout_timeout 
FROM users 
WHERE users.id = ?
 LIMIT ? OFFSET ?]
[parameters: (1, 1, 0)]
(Background on this error at: https://sqlalche.me/e/20/rvf5)
2025-06-10 10:02:35 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/static/icons/icon-192.png
2025-06-10 10:02:36 - [app] app - [INFO] INFO - Steckdosen-Status geloggt: Drucker 4, Status: disconnected, Quelle: system
2025-06-10 10:02:38 - [app] app - [INFO] INFO - Steckdosen-Status geloggt: Drucker 5, Status: disconnected, Quelle: system
2025-06-10 10:02:40 - [app] app - [ERROR] ERROR - Fehler beim Laden des Benutzers 1: tuple index out of range
2025-06-10 10:02:40 - [app] app - [INFO] INFO - Not Found (404): http://127.0.0.1:5000/static/icons/icon-192.png
2025-06-10 10:02:40 - [app] app - [INFO] INFO - Steckdosen-Status geloggt: Drucker 6, Status: disconnected, Quelle: system
2025-06-10 13:10:47 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-10 13:10:47 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: C:\Users\TTOMCZA.EMEA\Dev\Projektarbeit-MYP\backend\instance\printer_manager.db
2025-06-10 13:10:47 - [app] app - [INFO] INFO - 🚀 MYP Produktions-Server startet...
2025-06-10 13:10:47 - [app] app - [INFO] INFO - 📅 Start-Zeit: 2025-06-10 13:10:47
2025-06-10 13:10:47 - [app] app - [ERROR] ERROR - ❌ Kritischer Fehler beim Server-Start: module 'os' has no attribute 'uname'
2025-06-10 13:10:47 - [app] app - [ERROR] ERROR - Traceback: Traceback (most recent call last):
  File "C:\Users\TTOMCZA.EMEA\Dev\Projektarbeit-MYP\backend\app_production.py", line 333, in main
    app_logger.info(f"🖥️ Hostname: {os.uname().nodename}")
                                    ^^^^^^^^
AttributeError: module 'os' has no attribute 'uname'. Did you mean: 'name'?

2025-06-10 13:10:47 - [app] app - [INFO] INFO - ✅ Cleanup abgeschlossen
2025-06-10 13:11:47 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-10 13:11:47 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: C:\Users\TTOMCZA.EMEA\Dev\Projektarbeit-MYP\backend\instance\printer_manager.db
2025-06-10 13:11:47 - [app] app - [INFO] INFO - 🚀 MYP Produktions-Server startet...
2025-06-10 13:11:47 - [app] app - [INFO] INFO - 📅 Start-Zeit: 2025-06-10 13:11:47
2025-06-10 13:11:47 - [app] app - [INFO] INFO - 🖥️ Hostname: C040L0079726760
2025-06-10 13:11:47 - [app] app - [INFO] INFO - 🐍 Python: 3.13.3 (tags/v3.13.3:6280bb5, Apr  8 2025, 14:47:33) [MSC v.1943 64 bit (AMD64)]
2025-06-10 13:11:47 - [app] app - [INFO] INFO - ✅ Produktions-Logging konfiguriert
2025-06-10 13:11:47 - [app] app - [ERROR] ERROR - ❌ Kritischer Fehler beim Server-Start: module 'os' has no attribute 'geteuid'
2025-06-10 13:11:47 - [app] app - [ERROR] ERROR - Traceback: Traceback (most recent call last):
  File "C:\Users\TTOMCZA.EMEA\Dev\Projektarbeit-MYP\backend\app_production.py", line 341, in main
    if os.geteuid() != 0:
       ^^^^^^^^^^
AttributeError: module 'os' has no attribute 'geteuid'. Did you mean: 'getpid'?

2025-06-10 13:11:47 - [app] app - [INFO] INFO - ✅ Cleanup abgeschlossen
2025-06-10 13:30:33 - [app] app - [WARNING] WARNING - DatabaseCleanupManager nicht verfügbar - Fallback auf Legacy-Cleanup
2025-06-10 13:30:33 - [app] app - [INFO] INFO - Optimierte SQLite-Engine erstellt: C:\Users\TTOMCZA.EMEA\Dev\Projektarbeit-MYP\backend\instance\printer_manager.db
2025-06-10 13:30:33 - [app] app - [INFO] INFO - 🚀 MYP Produktions-Server startet...
2025-06-10 13:30:33 - [app] app - [INFO] INFO - 📅 Start-Zeit: 2025-06-10 13:30:33
2025-06-10 13:30:33 - [app] app - [INFO] INFO - 🖥️ Hostname: C040L0079726760
2025-06-10 13:30:33 - [app] app - [INFO] INFO - 🐍 Python: 3.13.3 (tags/v3.13.3:6280bb5, Apr  8 2025, 14:47:33) [MSC v.1943 64 bit (AMD64)]
2025-06-10 13:30:33 - [app] app - [INFO] INFO - ✅ Produktions-Logging konfiguriert
2025-06-10 13:30:33 - [app] app - [INFO] INFO - 🪟 Windows-Modus: Root-Check übersprungen
2025-06-10 13:30:33 - [app] app - [INFO] INFO - 🔐 Prüfe SSL-Zertifikate für Produktionsbetrieb...
2025-06-10 13:30:33 - [app] app - [INFO] INFO - 🔧 Erstelle neue browser-kompatible SSL-Zertifikate...
2025-06-10 13:30:33 - [app] app - [INFO] INFO - 🔧 Erstelle browser-kompatible SSL-Zertifikate...
2025-06-10 13:30:33 - [app] app - [ERROR] ERROR - ❌ SSL-Zertifikat-Erstellung fehlgeschlagen: [WinError 2] Das System kann die angegebene Datei nicht finden
2025-06-10 13:30:33 - [app] app - [ERROR] ERROR - ❌ Netzwerk-Fehler: [WinError 2] Das System kann die angegebene Datei nicht finden
2025-06-10 13:30:33 - [app] app - [INFO] INFO - ✅ Cleanup abgeschlossen