Adrian Torres
11/13/2025, 6:49 PMVapi Support Bot
11/13/2025, 6:50 PMplaintext
Phone Number ID: [should not be empty]
Assistant ID: [should not be empty]
If both are set and the issue persists, please provide a call ID and timestamp for further troubleshooting.
Source: Discord support thread on similar issues.datebill
11/13/2025, 8:13 PMAdrian Torres
11/13/2025, 8:33 PMAdrian Torres
11/13/2025, 8:36 PMrchemtob
11/13/2025, 8:52 PMFreedom
11/14/2025, 1:52 AMAdrian Torres
11/14/2025, 6:00 AMAdrian Torres
11/14/2025, 6:41 PMAdrian Torres
11/14/2025, 6:41 PMAdrian Torres
11/15/2025, 6:31 PMVapi Support Bot
11/15/2025, 6:32 PMplaintext
Call ID: [copy from dashboard]
Timestamp: [when the issue occurred]
Issue: Assistants stop responding after first message / "Application error has occurred"
Expected: Assistants should continue the conversation
Organization ID: 737c683c-74fb-4da1-bb5d-21f646925d66
Submit this information via the Vapi dashboard or support channel as described in the [issue-reporting guide](https://docs.vapi.ai/issue-reporting). This will help the support team investigate and resolve your issue faster.
Source:
- [Vapi Issue Reporting Guide](https://docs.vapi.ai/issue-reporting)brian.rabern
11/18/2025, 10:18 PMChiranjeet Mishra
11/20/2025, 10:05 PMbrian.rabern
11/20/2025, 11:37 PMChiranjeet Mishra
12/04/2025, 5:10 AM🟡 ElevenLabs (Websocket #undefined) State "undefined". Punting 79...
🟡 ElevenLabs (Websocket #undefined) State "undefined". Punting 85...
🟡 ElevenLabs (Websocket #undefined" But Received End Token. Dropping 126...
Because the TTS connection was in an undefined state, all audio tokens were dropped. That’s why the assistant spoke the first message but stayed silent afterward.
Please try to run a test call now and see if you are still encountering this error.