{error,{{shutdown,{connection_closing,{server_initiated_close,541,<<"INTERNAL_ERROR - Feature `queue_master_locator` is deprecated.\nBy default, this feature is not permitted anymore.\nThe feature will be removed from a future major RabbitMQ version, regardless of the configuration; actual version to be determined.\nTo con...">>}}},{gen_server,call,[<9895.907.0>,{call,{'queue.declare',0,<<"q1">>,false,true,false,false,false,[{<<"x-queue-type">>,longstr,<<"classic">>},{<<"x-queue-master-locator">>,longstr,<<"least-leaders">>}]},none,<9895.903.0>},infinity]}}}