# 57010: 'PartnerName' is absent

Log Type: APPLICATION

Log Level: ERROR

## Description

This error appears when `PartnerName` is not specified in the request.

### Possible causes

* `PartnerName` was omitted from the request.

### Possible solutions

* Confirm a valid `PartnerName` is included in the request.
* Check the error logs while debugging the request so you can verify the parameters Twilio received.

#### Additional resources

* [Messaging](/docs/messaging)
* [Debugging Your Twilio Application](/docs/usage/troubleshooting/debugging-your-application)