# 20412: Precondition Failed

Log Level: ERROR

## Description

The resource does not meet one of preconditions defined by the request.

### Possible causes

* An ETag was included in an If-Match header, but the resource's current ETag does not match the ETag provided in the request.

### Possible solutions

* Retrieve the resource to obtain the current ETag, and then retry the request with the correct ETag in the If-Match header.