diff --git a/backend/app/database/myp.db b/backend/app/database/myp.db
index 78f2a860..0160ebb4 100644
Binary files a/backend/app/database/myp.db and b/backend/app/database/myp.db differ
diff --git a/backend/app/database/myp.db-wal b/backend/app/database/myp.db-wal
index 3bccfbb7..e8bd2407 100644
Binary files a/backend/app/database/myp.db-wal and b/backend/app/database/myp.db-wal differ
diff --git a/backend/app/static/js/admin-guest-requests.js b/backend/app/static/js/admin-guest-requests.js
index 0df6b455..fac41d88 100644
--- a/backend/app/static/js/admin-guest-requests.js
+++ b/backend/app/static/js/admin-guest-requests.js
@@ -416,7 +416,8 @@ async function approveRequest(requestId) {
             headers: {
                 'Content-Type': 'application/json',
                 'X-CSRFToken': csrfToken
-            }
+            },
+            body: JSON.stringify({})  // Leeres JSON-Objekt senden
         });
         
         const data = await response.json();
diff --git a/backend/app/test_db_fix.py b/backend/app/test_db_fix.py
deleted file mode 100644
index 1b623724..00000000
--- a/backend/app/test_db_fix.py
+++ /dev/null
@@ -1,100 +0,0 @@
-#!/usr/bin/env python3
-# -*- coding: utf-8 -*-
-"""
-Test-Skript: Überprüfung der Datenbank-Migration
-"""
-
-import sqlite3
-import sys
-import os
-
-def test_database_schema():
-    """Testet das Datenbank-Schema"""
-    
-    db_path = 'database/myp.db'
-    
-    if not os.path.exists(db_path):
-        print(f'❌ Datenbank nicht gefunden: {db_path}')
-        return False
-    
-    try:
-        conn = sqlite3.connect(db_path)
-        cursor = conn.cursor()
-        
-        # Prüfe Schema der users-Tabelle
-        cursor.execute('PRAGMA table_info(users)')
-        columns = cursor.fetchall()
-        
-        print("📋 Schema der users-Tabelle:")
-        for col in columns:
-            print(f"  - {col[1]} ({col[2]})")
-        
-        # Prüfe ob last_activity vorhanden ist
-        column_names = [col[1] for col in columns]
-        if 'last_activity' in column_names:
-            print("✅ Spalte 'last_activity' ist vorhanden")
-            
-            # Teste eine Abfrage
-            cursor.execute('SELECT id, email, last_activity FROM users LIMIT 1')
-            result = cursor.fetchone()
-            if result:
-                print(f"✅ Test-Abfrage erfolgreich: User ID {result[0]}, Email: {result[1]}, Last Activity: {result[2]}")
-            else:
-                print("⚠️ Keine Benutzer in der Datenbank gefunden")
-        else:
-            print("❌ Spalte 'last_activity' fehlt noch")
-            return False
-        
-        conn.close()
-        return True
-        
-    except Exception as e:
-        print(f'❌ Fehler beim Testen: {e}')
-        return False
-
-def test_sqlalchemy_model():
-    """Testet das SQLAlchemy-Model"""
-    try:
-        # Importiere das Model
-        sys.path.append('.')
-        from models import User, get_db_session
-        
-        print("\n🔧 Teste SQLAlchemy-Model...")
-        
-        # Erstelle Session
-        session = get_db_session()
-        
-        # Teste Abfrage
-        user = session.query(User).filter_by(email='admin@mercedes-benz.com').first()
-        
-        if user:
-            print(f"✅ SQLAlchemy-Test erfolgreich:")
-            print(f"  - User ID: {user.id}")
-            print(f"  - Email: {user.email}")
-            print(f"  - Last Activity: {user.last_activity}")
-        else:
-            print("⚠️ Admin-User nicht gefunden")
-        
-        session.close()
-        return True
-        
-    except Exception as e:
-        print(f'❌ SQLAlchemy-Test fehlgeschlagen: {e}')
-        return False
-
-if __name__ == '__main__':
-    print("🔧 Starte Datenbank-Schema-Test...")
-    
-    # Test 1: Direkter SQLite-Test
-    schema_ok = test_database_schema()
-    
-    # Test 2: SQLAlchemy-Model-Test
-    if schema_ok:
-        model_ok = test_sqlalchemy_model()
-        
-        if model_ok:
-            print("\n✅ Alle Tests erfolgreich - Schema-Problem behoben!")
-        else:
-            print("\n❌ SQLAlchemy-Model-Test fehlgeschlagen")
-    else:
-        print("\n❌ Schema-Test fehlgeschlagen") 
\ No newline at end of file
diff --git a/backend/app/utils/file_manager.py b/backend/app/utils/file_manager.py
new file mode 100644
index 00000000..0519ecba
--- /dev/null
+++ b/backend/app/utils/file_manager.py
@@ -0,0 +1 @@
+ 
\ No newline at end of file