---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/420017#article
headline: "420017: Knowledge not found"
url: https://www.twilio.com/docs/api/errors/420017
inLanguage: en
dateModified: 2026-04-01T17:30:49.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 420017: Knowledge not found

Log Type: TWILIO

Log Level: ERROR

## Description

The requested knowledge item could not be found or the knowledge ID is invalid.

### Possible causes

* Knowledge ID does not exist
* Invalid knowledge ID format
* Knowledge was deleted
* Knowledge ID cannot be parsed

### Possible solutions

* Verify the knowledge ID is correct and follows the format (know\_knowledge\_\*)
* Check that the knowledge item has not been deleted
* Use the List Knowledge endpoint to retrieve valid knowledge IDs
* Review the API error details for specific validation failures