---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/91101#article
headline: "91101: Subscription could not be created"
url: https://www.twilio.com/docs/api/errors/91101
inLanguage: en
dateModified: 2026-03-11T22:03:37.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 91101: Subscription could not be created

Log Type: APPLICATION

Log Level: ERROR

## Description

Subscription creation failed

### Possible causes

* Event types are duplicated
* Description is empty

### Possible solutions

* Ensure event types are not duplicated
* Description is not empty