---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/54302#article
headline: "54302: Invalid unique name"
url: https://www.twilio.com/docs/api/errors/54302
inLanguage: en
dateModified: 2026-03-11T20:43:38.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 54302: Invalid unique name

Log Level: ERROR

## Description

The unique name must be a string with length 1-256 and not match the SID pattern \[A-Z]\{2}\[a-f0-9]\{32}.

### Possible causes

* The value supplied by the UniqueName parameter is an empty string.
* The value supplied by the UniqueName parameter exceeds 256 characters.

### Possible solutions

Confirm that your UniqueName is a string of 1-256 characters not matching the SID pattern.