---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/45350#article
headline: "45350: An unexpected error occurred."
url: https://www.twilio.com/docs/api/errors/45350
inLanguage: en
dateModified: 2026-06-08T11:29:20.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 45350: An unexpected error occurred.

Log Type: TWILIO

Log Level: ERROR

## Description

This error indicates that Flex could not complete the request because an unexpected internal failure occurred while processing it. In Flex Conversations, interaction channel creation is asynchronous, so a request can be accepted first and still fail while Flex creates or configures the underlying channel.

### Possible causes

* A temporary internal Flex service failure interrupted request processing.
* The request was accepted, but the asynchronous channel setup did not finish successfully.
* A downstream conversation or participant operation failed while Flex was creating or configuring the channel.

### Possible solutions

* Retry the request.
* If you are creating an interaction, do not rely only on the initial `POST /Interactions` response. Fetch the interaction or channel state after the request completes to confirm that setup succeeded.
* Listen for `task.canceled` events so you can detect interaction channel creation failures in your application flow.
* Review the Twilio Console Debugger or Flex error logs to capture more detail about the failing request.
* If the issue continues, check the Twilio status page and then contact support through the Help Center with details about the failing requests.

#### Additional resources

* [Interactions API](/docs/flex/developer/conversations/interactions-api)
* [Best Practices for Flex Conversations](/docs/flex/developer/conversations/best-practices)
* [Error Handling and Debugging](/docs/flex/developer/ui/errors-and-debugging)