This message is created in response to an error generated while processing a RPC Request and will serve as a replacement for a RPC Response message. [message_type, request_id, exception_type, exception_msg, traceback] message_type(int) This will be a RPC_ERROR type id. request_id(int) The request_id is the same as the one sent by the client in the initial request. exception_type(str) The type of exception raised. exception_msg(str) The message as to why the exception was raised. traceback(str) The traceback of the generated exception.