# 21704: The Messaging Service contains no phone numbers

Log Type: APPLICATION

Log Level: ERROR

## Description

### The Messaging Service contains no senders.

A Messaging Service requires at least one phone number, Alphanumeric Sender ID or short code to send messages.

### Possible causes

* Your Messaging Service does not contain any senders

### Possible solutions

* Add at least one phone number or short code to your Messaging Service, or enable Alphanumeric Sender ID.