I'm getting this error when I run the Verbi the voice says "error in generating response"). I'm using melotts . Any suggestion.

2025年03月01日 17:55:36,523 - ERROR - Failed to convert text to speech: 500 Server Error: Internal Server Error for url: http://localhost:5150/generate-audio/
2025年03月01日 17:55:39,214 - INFO - Calibrating for ambient noise...
2025年03月01日 17:55:40,217 - INFO - Recording started
2025年03月01日 17:55:45,496 - INFO - Recording complete
2025年03月01日 17:55:46,150 - INFO - No transcription was returned. Starting recording again.

======on TTS console-----

Text split to sentences.
Hello! How can I assist you today? Do you have any specific requests or would you like me to suggest some options based on your schedule,
| 0/3 [00:00<?, ?it/s]
INFO: 127.0.0.1:50050 - "POST /generate-audio/ HTTP/1.1" 500 Internal Server Error