Malformed request, such as unsupported encoding= value in X-Akamai-ACS-Action request header. There may be more information in the response body.

Forbidden operation, such as action=du in HTTP PUT request, or authentication or authorization error. There may be more information in the response body.

The object which is the subject of action=stat does not exist.

Internal error in the server. There will be more information in the response body.