---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/520004#article
headline: "520004: Profile already exists"
url: https://www.twilio.com/docs/api/errors/520004
inLanguage: en
dateModified: 2026-04-01T03:32:01.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 520004: Profile already exists

Log Type: TWILIO

Log Level: ERROR

## Description

Unique constraint violation occurred during creation.

### Possible causes

* The client application submitted a `POST` request containing a profile identifier that is already mapped to an active user profile

### Possible solutions

* Execute a `GET` request to verify the availability of the identifier before attempting profile creation
* Utilize globally unique identifiers like UUIDs