The Consumer cannot process the Command due to something that is perceived to be a Producer error (e.g., malformed Command syntax)
The Consumer understood the Command but refuses to authorize it
The Consumer encountered an unexpected condition that prevented it from performing the Command
The Consumer has not found anything matching the Command
The Consumer does not support the functionality required to perform the Command
The Command has succeeded
An interim Response used to inform the Producer that the Consumer has accepted the Command but has not yet completed it
The Consumer is currently unable to perform the Command due to a temporary overloading or maintenance of the Consumer
The Command Message lacks valid authentication credentials for the target resource or authorization has been refused for the submitted credentials
Status code enumeration