# 12400: Internal Failure

Log Level: ERROR

## Description

An internal error has occurred that prevented Twilio from processing your response.

### Possible causes

* We screwed up. Sorry!

### Possible solutions

* If the error persists, please [contact us](/help/contact) to figure out what has happened and how to fix it.
* Note the time of the error and what you were trying to do when it occurred.