# 21705: The Messaging Service is invalid

Log Type: APPLICATION

Log Level: ERROR

## Description

### Possible causes

* The MessagingServiceSid provided with the request does not match a valid Sid pattern(MGxxx).

### Possible solutions

* Double check the Messaging Service Sid parameter that you are using.
* Find a specific Messaging Service Sid and manage your Messaging Services in the [Twilio Console](https://www.twilio.com/console/sms/services).