---
page_type: error
code: 32502
message: "32502: Voice Conversation: Callback event internal error."
level: WARNING
product: Programmable Voice
---

## 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!