diff --git a/backend/templates/analytics.html b/backend/templates/analytics.html
index 9590088f..bf82ba8f 100644
--- a/backend/templates/analytics.html
+++ b/backend/templates/analytics.html
@@ -292,7 +292,9 @@
 {% endblock %}
 
 {% block scripts %}
-<script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
+<!-- Chart.js - Lokale Version -->
+<script src="{{ url_for('static', filename='js/charts/chart.min.js') }}"></script>
+
 <script>
 /**
  * MYP Analytics Dashboard
@@ -722,16 +724,16 @@ class AnalyticsDashboard {
     }
     
     showError(message) {
-        if (window.showToast) {
-            window.showToast(message, 'error');
+        if (typeof showFlashMessage === 'function') {
+            showFlashMessage(message, 'error');
         } else {
             alert(message);
         }
     }
     
     showSuccess(message) {
-        if (window.showToast) {
-            window.showToast(message, 'success');
+        if (typeof showFlashMessage === 'function') {
+            showFlashMessage(message, 'success');
         } else {
             alert(message);
         }