Exception: Address already in use in <...>. So huge workerman.log

[dioncenter]

This error showed below writes into workerman.log 23 times per second, and log-file grows for a 353GB. I cannot find the reason of that exception. Please help.

2023-11-06 18:52:59 pid:2724126 Exception: Address already in use in /.../vendor/workerman/workerman/Worker.php:2356
Stack trace:
#0 /.../ticketServer.php(66): Workerman\Worker->listen()
#1 /.../vendor/workerman/workerman/Worker.php(2488): {closure}()
#2 /.../vendor/workerman/workerman/Worker.php(1627): Workerman\Worker->run()
#3 /.../vendor/workerman/workerman/Worker.php(1423): Workerman\Worker::forkOneWorkerForLinux()
#4 /.../vendor/workerman/workerman/Worker.php(1397): Workerman\Worker::forkWorkersForLinux()
#5 /.../vendor/workerman/workerman/Worker.php(1779): Workerman\Worker::forkWorkers()
#6 /.../vendor/workerman/workerman/Worker.php(1715): Workerman\Worker::monitorWorkersForLinux()
#7 /.../vendor/workerman/workerman/Worker.php(562): Workerman\Worker::monitorWorkers()
#8 /.../ticketServer.php(137): Workerman\Worker::runAll()
#9 {main}
2023-11-06 18:52:59 pid:2721690 worker[none:2724126] exit with status 64000