---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/54050#article
headline: "54050: Service Instance not found"
url: https://www.twilio.com/docs/api/errors/54050
inLanguage: en
dateModified: 2026-03-11T20:43:38.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 54050: Service Instance not found

Log Level: ERROR

## Description

The specified Service Instance does not exist.

### Possible causes

* The supplied Sync Service Instance SID is erroneous.
* The requested Sync Service Instance has been deleted.

### Possible solutions

* Use the [Twilio Console](https://twilio.com/console) or the [REST API](/docs/sync/api/service) to confirm your Sync service exists.
* Make sure the Sync Service Instance SID passed in your request matches the SID of that service exactly.