---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/420020#article
headline: "420020: Knowledge base resource already exists"
url: https://www.twilio.com/docs/api/errors/420020
inLanguage: en
dateModified: 2026-07-29T18:16:50.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 420020: Knowledge base resource already exists

Log Type: TWILIO

Log Level: ERROR

## Description

A knowledge base with the same unique identifier already exists.

### Possible causes

* The display name you provided is already associated with another knowledge base in this account.

### Possible solutions

* Choose a different display name.
* Update the existing knowledge base instead of creating a new one.
