# 21751: Messaging Service Cannot Be Changed

Log Type: TWILIO

Log Level: ERROR

## Description

The campaign submission could not be updated because the messaging service was changed on the request. Please re-submit the campaign registration with the same messaging service SID as was used upon initial creation.

### Possible causes

Messaging Service SID differs from the original submission.

### Possible solutions

Use the same Messaging Service SID as the initial registration.