---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/520021#article
headline: "520021: Trait group deletion failed"
url: https://www.twilio.com/docs/api/errors/520021
inLanguage: en
dateModified: 2026-04-01T03:32:01.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 520021: Trait group deletion failed

Log Type: TWILIO

Log Level: ERROR

## Description

Trait group could not be successfully deleted.

### Possible causes

* The trait group no longer exists

### Possible solutions

* Verify the existence of the trait group and ensure the requesting user account is granted the necessary deletion privileges