Error incorrect data to updating code 306
This responses should be used for temporary conditions and the HTTP header should, if possible, contain the estimated time before the recovery of the service.
The webmaster must also take care about the caching-related headers that are sent along with this response, as these temporary condition responses should usually not be cached.
Clients are expected to remove their caches and links to the resource.
This response would be sent when the requested content has been permenantly deleted from server, with no forwarding address.
This response code means returned meta-information set is not exact set as available from the origin server, but collected from a local or a third party copy.