---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/420025#article
headline: "420025: Knowledge base operation not found"
url: https://www.twilio.com/docs/api/errors/420025
inLanguage: en
dateModified: 2026-07-29T18:16:50.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 420025: Knowledge base operation not found

Log Type: TWILIO

Log Level: ERROR

## Description

The requested knowledge base operation does not exist on this account.

### Possible causes

* The operation ID is incorrect.
* The operation result has expired and is no longer retained. Operations are queryable for 7 days after completion.

### Possible solutions

* Verify the operation ID returned by the originating asynchronous write request.
* Query the operation within 7 days of completion.