# 53400: Client is unable to create or apply a local media description

Log Level: ERROR

## Description

Raised whenever a Client is unable to create or apply a local media description.

### Possible causes

* The Client may not be using a supported WebRTC implementation.
* The Client may not have the necessary resources to create or apply a new media description.

### Possible solutions

* If you are experiencing this error using the JavaScript SDK, ensure you are running it with a supported WebRTC implementation.