---
page_type: error
code: 53400
message: "53400: Client is unable to create or apply a local media description"
level: ERROR
product: Programmable Video
---

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

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

#### 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.

#### Solutions

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