# 32502: Voice Conversation: Callback event internal error.

Log Type: TWILIO

Log Level: WARNING

## Description

Internal error occurred when executing a request to one of the status callback URLs specified in the Conversation noun. This error will occur when Voice Conversation service fails to reach out to Callback service.

### Possible causes

* Twilio failed to execute callback request when Voice Conversation service attempted to reach out to status Callback service.

### Possible solutions

* If the error persists, please [contact us](/help/contact) to figure out what has happened and how to fix it!