Update app.py

app.py

@@ -50,7 +50,15 @@ def process_youtube(youtube_url, num_questions):
         
         return notes, quiz
     except Exception as e:
-        return f"⚠️ {str(e)}\n\nPlease try another YouTube video that has captions enabled.", ""
+        error_message = (
+            "⚠️ Unable to process the video. Common issues:\n"
+            "1. The video might not have captions enabled\n"
+            "2. The video might be private or restricted\n"
+            "3. The URL might be incorrect\n\n"
+            f"Technical details: {str(e)}\n\n"
+            "Please try another YouTube video that has captions enabled."
+        )
+        return error_message, ""
 
 # Create Gradio interface
 with gr.Blocks(title="AI Teaching Assistant") as demo: