---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/48011#article
headline: "48011: Custom Routing Callback failed due to an internal error"
url: https://www.twilio.com/docs/api/errors/48011
inLanguage: en
dateModified: 2026-03-11T20:01:16.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 48011: Custom Routing Callback failed due to an internal error

Log Type: TWILIO

Log Level: ERROR

## Description

An internal error has occurred that prevented Twilio from processing your callback.

### Possible causes

* We failed to execute callback request.

### Possible solutions

* If the error persists, please [contact us](/help/contact) to figure out what has happened and how to fix it!