---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/420001#article
headline: "420001: Knowledge could not be created"
url: https://www.twilio.com/docs/api/errors/420001
inLanguage: en
dateModified: 2026-04-01T03:32:01.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 420001: Knowledge could not be created

Log Type: TWILIO

Log Level: ERROR

## Description

Knowledge creation did not complete.

### Possible causes

* The data formatting is unrecognized
* The knowledge size may have been out of bounds
* The backend experienced a transient interruption

### Possible solutions

* Ensure knowledge is provided in supported format
* Validate payload adheres to knowledge limits guidelines
* Try again with restored network connectivity