---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/53400#article
headline: "53400: Client is unable to create or apply a local media description"
url: https://www.twilio.com/docs/api/errors/53400
inLanguage: en
dateModified: 2026-03-11T20:43:38.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 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.