Not Acceptable
The server cannot produce a response matching the criteria specified in the request's Accept headers.
406
406
precondition-failed
A precondition set by the client was not met by the broker. Common causes include declaring a queue or exchange with properties that conflict with an existing resource of the same name.
Not Acceptable
The resource identified by the request can only generate response entities with content characteristics that are not acceptable according to the Accept header fields sent in the request.