# 70153: Public Key Specified Does Not Exist

Log Level: ERROR

## Description

The Public Key with the SID provided in the JWT header does exist. This is a Public Key Client Validation Error.

### Possible Solution:

* Update the kid value provided in the JWT header.
* For the details on JWTs used as part of Public Key Client Validation, see [the documentation](/docs/iam/pkcv/quickstart)