I was trying to launch my 1.21 server and it returned this error [18:17:22] [ERROR] [FabricLoader/]: Uncaught exception in thread "main" java.lang.RuntimeException ...

Describe the bug [2024-08-13T19:53:41,233] [ERROR] [o.o.b.Bootstrap ] [a28ce3bd16681e0092591169b3fd0b0a] Exception java.lang.IllegalStateException: Unable to restore ...

All Thread instances spawned from the body of this new master Thread instance automatically join the SwingThreadGroup instance and, hence, use our new exception handler when unchecked exceptions ...

We will get the message: “java.lang.ArrayIndexOutOfBoundsException: 10” See also: Java beginner course – A free and comprehensive guide to the basics of Java ...