Command Not Implemented
The command is known but has not been implemented by this server.
The command is known but has not been implemented by this server.
The server, while acting as a gateway or proxy, received an invalid response from an upstream server.
The broker received a frame containing a command or arguments that do not conform to the AMQP syntax. This is a hard error and the connection is closed.
The server, while acting as a gateway or proxy, received an invalid response from the downstream server it accessed in attempting to fulfil the request.
The server does not implement the command.