---
page_type: error
code: 45204
message: "45204: Requested Flex Chat Channel is not found"
level: WARNING
product: Flex
---

## Description

Requested Flex Chat Channel is not found

### Possible Causes

Flex Channel could not be found.

### Possible Solutions

Please check your request details. Flex Channel is created automatically on inbound messages and can be created by developer via Flex API for outbound use cases.

Check our [Flex Chat Channel Resource documentation](/docs/flex/developer/messaging/chat-channel), or see how to [add a Custom Chat Channel to Flex](https://www.twilio.com/blog/add-custom-chat-channel-twilio-flex).