[19:24:39] [Thread-5/ERROR] (FabricLoader) Uncaught exception in thread "Thread-5"
java.util.ConcurrentModificationException: null
at java.util.HashMap$HashIterator.nextNode(HashMap.java:1597) ~[?:?]
at java.util.HashMap$KeyIterator.next(HashMap.java:1620) ~[?:?]
at net.como.client.event.EventEmitter.unregisterListener(EventEmitter.java:51) ~[como-client-dos/:?]
at net.como.client.event.RegistrationWorker.unregisterAll(RegistrationWorker.java:141) ~[como-client-dos/:?]
at net.como.client.event.RegistrationWorkerDaemon$UnregisterThread.operate(RegistrationWorkerDaemon.java:33) ~[como-client-dos/:?]
at net.como.client.event.RegistrationWorkerDaemon$RegistrationThread.run(RegistrationWorkerDaemon.java:12) ~[como-client-dos/:?]