# 21747: Invalid Message Samples

Log Type: TWILIO

Log Level: ERROR

## Description

The campaign submission could not be processed because the provided message samples were invalid. Between two and five message samples must be provided, each between 20 and 1024 characters.

### Possible causes

Samples are too few, too many, or outside 20-1024 character range.

### Possible solutions

Provide 2-5 message samples, each between 20-1024 characters.