---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/420014#article
headline: "420014: Knowledge base deletion failed"
url: https://www.twilio.com/docs/api/errors/420014
inLanguage: en
dateModified: 2026-04-01T03:32:01.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 420014: Knowledge base deletion failed

Log Type: TWILIO

Log Level: ERROR

## Description

Request to delete a knowledge base was declined.

### Possible causes

* Active AI agents or services are currently connected to the knowledge base
* The active session lacks sufficient deletion privileges

### Possible solutions

* Unlink the knowledge base from all active agents before issuing the `DELETE` request
* Confirm your access permissions