modified: app.py

modified:   templates/quiz.html

templates/quiz.html

@@ -144,11 +144,14 @@
         }
         // Starte Wiedergabe an gewünschter Stelle
         fetch(`/play_track?device_id=${device_id}&track_uri={{ track.uri }}&position_ms=${position_ms}`, { method: 'POST' })
-          .then(response => {
-            if (!response.ok) {
-              throw new Error('Network response was not ok');
+          .then(response => response.json())
+          .then(data => {
+            if (data.error === "device_not_found") {
+              alert(data.message || "Spotify-Player nicht gefunden. Die Seite wird neu geladen...");
+              window.location.reload();
+              return;
             }
-            return response.json();
+            // ...bisheriger Code...
           })
           .catch(error => {
             console.error('Error starting playback:', error);