Update app.py

app.py

@@ -29,14 +29,18 @@ def extract_video_id(url):
 def get_youtube_transcript(video_url):
     video_id = extract_video_id(video_url)
     if not video_id:
-        return "Video ID could not be extracted."
+        return "Video ID could not be extracted. Please check the URL format."
+
     try:
         transcript = YouTubeTranscriptApi.get_transcript(video_id)
         formatter = TextFormatter()
         text_transcript = formatter.format_transcript(transcript)
         return text_transcript
     except Exception as e:
-        return f"An error occurred: {e}"
+        error_message = str(e)
+        if "Subtitles are disabled for this video" in error_message:
+            return "Subtitles are disabled for this video. Transcript cannot be retrieved."
+        return f"An error occurred while retrieving the transcript: {error_message}"
 
 # Function to summarize YouTube video with selected model
 def summarize_youtube_video(url, model_name):