# 21764: API Opt-Out/Help Fields Missing

Log Type: TWILIO

Log Level: ERROR

## Description

The campaign submission could not be processed because some combination of the following fields were missing: `help_sample_message`, `help_keywords`, `opt_out_sample_message`, and `opt_out_keywords`.

### Possible causes

One or more of the API help or opt-out fields were not provided.

### Possible solutions

Include help/opt-out messages and keywords in your request.