[internal function]: Events::onMessage

2018-10-30 00:01:02 pid:4686 process_timeout:
#1 : Events::onMessage('7f0000010b55000...', '{"action":"ping...')
#2 /www/wwwroot/automachine.jssccag.com/extend/GatewayWorker/vendor/workerman/gateway-worker/src/BusinessWorker.php(384): call_user_func('Events::onMessa...', '7f0000010b55000...', '{"action":"ping...')
#3 : GatewayWorker\BusinessWorker->onGatewayMessage(Object(Workerman\Connection\AsyncTcpConnection), Array)
#4 /www/wwwroot/automachine.jssccag.com/extend/GatewayWorker/vendor/workerman/workerman/Connection/TcpConnection.php(657): call_user_func(Array, Object(Workerman\Connection\AsyncTcpConnection), Array)
#5 : Workerman\Connection\TcpConnection->baseRead(Resource id #48, 2, Resource id #48)
#6 /www/wwwroot/automachine.jssccag.com/extend/GatewayWorker/vendor/workerman/workerman/Events/Event.php(185): EventBase->loop()
#7 /www/wwwroot/automachine.jssccag.com/extend/GatewayWorker/vendor/workerman/workerman/Worker.php(1882): Workerman\Events\Event->loop()
#8 /www/wwwroot/automachine.jssccag.com/extend/GatewayWorker/vendor/workerman/gateway-worker/src/BusinessWorker.php(190): Workerman\Worker->run()
#9 /www/wwwroot/automachine.jssccag.com/extend/GatewayWorker/vendor/workerman/workerman/Worker.php(1107): GatewayWorker\BusinessWorker->run()
#10 /www/wwwroot/automachine.jssccag.com/extend/GatewayWorker/vendor/workerman/workerman/Worker.php(1070): Workerman\Worker::forkOneWorker(Object(GatewayWorker\BusinessWorker))
#11 /www/wwwroot/automachine.jssccag.com/extend/GatewayWorker/vendor/workerman/workerman/Worker.php(1225): Workerman\Worker::forkWorkers()
#12 /www/wwwroot/automachine.jssccag.com/extend/GatewayWorker/vendor/workerman/workerman/Worker.php(447): Workerman\Worker::monitorWorkers()
#13 /www/wwwroot/automachine.jssccag.com/extend/GatewayWorker/start.php(39): Workerman\Worker::runAll()
#14 {main}
 

这个报错为啥