---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/420018#article
headline: "420018: Knowledge base does not exist on this account or has been marked deleted"
url: https://www.twilio.com/docs/api/errors/420018
inLanguage: en
dateModified: 2026-07-29T18:16:50.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 420018: Knowledge base does not exist on this account or has been marked deleted

Log Type: TWILIO

Log Level: ERROR

## Description

The requested knowledge base doesn't exist in your account.

### Possible causes

* The knowledge base SID you provided is incorrect.
* The knowledge base was previously deleted.

### Possible solutions

* List your knowledge bases and verify the SID for each.
* If the knowledge base was deleted, create a new one and use its new SID.