---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/50444#article
headline: "50444: Failed to add an identity to a participant."
url: https://www.twilio.com/docs/api/errors/50444
inLanguage: en
dateModified: 2026-03-11T20:43:38.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 50444: Failed to add an identity to a participant.

Log Type: APPLICATION

Log Level: ERROR

## Description

The conversation participant being updated can not have an identity.

### Possible causes

* You are trying to add an identity to a participant with identity already assigned.
* You are trying to add an identity to a participant without projected address.

### Possible solutions

* Check that the request does not update identity of this particular participant.