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headline: "21243: Credential Validation Error"
url: https://www.twilio.com/docs/api/errors/21243
inLanguage: en
dateModified: 2026-03-11T18:38:39.000Z
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---

# 21243: Credential Validation Error

Log Type: APPLICATION

Log Level: ERROR

## Description

One of the parameters passed when creating or updating a Credential was incorrect. Please see the response body for more details.

### Possible causes

* One of the parameters passed when creating or updating a Credential was incorrect.

### Possible solutions

* Please see the response body for more details.