---- Minecraft Crash Report ----
// Shall we play a game?

Time: 22/6/2563, 21:13 น.
Description: Watching Server

java.lang.Error
	at cy.c(SourceFile:69)
	at tv.c(SourceFile:478)
	at tv$$Lambda$1389/182174652.apply(Unknown Source)
	at com.mojang.brigadier.CommandDispatcher.execute(CommandDispatcher.java:242)
	at cn$b.a(SourceFile:81)
	at sy$a.a(SourceFile:217)
	at sy.a(SourceFile:118)
	at sy.e(SourceFile:80)
	at net.minecraft.server.MinecraftServer.b(SourceFile:839)
	at wd.b(SourceFile:347)
	at net.minecraft.server.MinecraftServer.a(SourceFile:793)
	at net.minecraft.server.MinecraftServer.run(SourceFile:655)
	at java.lang.Thread.run(Unknown Source)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Thread: Server Watchdog
Stacktrace:
	at cy.c(SourceFile:69)
	at tv.c(SourceFile:478)
	at tv$$Lambda$1389/182174652.apply(Unknown Source)
	at com.mojang.brigadier.CommandDispatcher.execute(CommandDispatcher.java:242)
	at cn$b.a(SourceFile:81)
	at sy$a.a(SourceFile:217)
	at sy.a(SourceFile:118)
	at sy.e(SourceFile:80)
	at net.minecraft.server.MinecraftServer.b(SourceFile:839)
	at wd.b(SourceFile:347)
	at net.minecraft.server.MinecraftServer.a(SourceFile:793)

-- Thread Dump --
Details:
	Threads: "Server-Worker-833" Id=868 WAITING on java.util.concurrent.ForkJoinPool@dfea9e
	at sun.misc.Unsafe.park(Native Method)
	-  waiting on java.util.concurrent.ForkJoinPool@dfea9e
	at java.util.concurrent.ForkJoinPool.awaitWork(Unknown Source)
	at java.util.concurrent.ForkJoinPool.runWorker(Unknown Source)
	at java.util.concurrent.ForkJoinWorkerThread.run(Unknown Source)


"Server-Worker-832" Id=867 TIMED_WAITING on java.util.concurrent.ForkJoinPool@dfea9e
	at sun.misc.Unsafe.park(Native Method)
	-  waiting on java.util.concurrent.ForkJoinPool@dfea9e
	at java.util.concurrent.ForkJoinPool.awaitWork(Unknown Source)
	at java.util.concurrent.ForkJoinPool.runWorker(Unknown Source)
	at java.util.concurrent.ForkJoinWorkerThread.run(Unknown Source)


"Server-Worker-831" Id=866 WAITING on java.util.concurrent.ForkJoinPool@dfea9e
	at sun.misc.Unsafe.park(Native Method)
	-  waiting on java.util.concurrent.ForkJoinPool@dfea9e
	at java.util.concurrent.ForkJoinPool.awaitWork(Unknown Source)
	at java.util.concurrent.ForkJoinPool.runWorker(Unknown Source)
	at java.util.concurrent.ForkJoinWorkerThread.run(Unknown Source)


"Netty Server IO #4" Id=86 RUNNABLE
	at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native Method)
	at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(Unknown Source)
	at sun.nio.ch.WindowsSelectorImpl$SubSelector.access$400(Unknown Source)
	at sun.nio.ch.WindowsSelectorImpl.doSelect(Unknown Source)
	at sun.nio.ch.SelectorImpl.lockAndDoSelect(Unknown Source)
	-  locked io.netty.channel.nio.SelectedSelectionKeySet@e1814f5
	-  locked java.util.Collections$UnmodifiableSet@a2781ee
	-  locked sun.nio.ch.WindowsSelectorImpl@4f251ece
	at sun.nio.ch.SelectorImpl.select(Unknown Source)
	at io.netty.channel.nio.SelectedSelectionKeySetSelector.select(SelectedSelectionKeySetSelector.java:62)
	at io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:756)
	...


"Netty Server IO #3" Id=82 RUNNABLE
	at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native Method)
	at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(Unknown Source)
	at sun.nio.ch.WindowsSelectorImpl$SubSelector.access$400(Unknown Source)
	at sun.nio.ch.WindowsSelectorImpl.doSelect(Unknown Source)
	at sun.nio.ch.SelectorImpl.lockAndDoSelect(Unknown Source)
	-  locked io.netty.channel.nio.SelectedSelectionKeySet@305196ae
	-  locked java.util.Collections$UnmodifiableSet@7ea093ed
	-  locked sun.nio.ch.WindowsSelectorImpl@483e4526
	at sun.nio.ch.SelectorImpl.select(Unknown Source)
	at io.netty.channel.nio.SelectedSelectionKeySetSelector.select(SelectedSelectionKeySetSelector.java:62)
	at io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:756)
	...


"Netty Server IO #2" Id=36 RUNNABLE
	at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native Method)
	at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(Unknown Source)
	at sun.nio.ch.WindowsSelectorImpl$SubSelector.access$400(Unknown Source)
	at sun.nio.ch.WindowsSelectorImpl.doSelect(Unknown Source)
	at sun.nio.ch.SelectorImpl.lockAndDoSelect(Unknown Source)
	-  locked io.netty.channel.nio.SelectedSelectionKeySet@2f0ae181
	-  locked java.util.Collections$UnmodifiableSet@1352e628
	-  locked sun.nio.ch.WindowsSelectorImpl@69173054
	at sun.nio.ch.SelectorImpl.select(Unknown Source)
	at io.netty.channel.nio.SelectedSelectionKeySetSelector.select(SelectedSelectionKeySetSelector.java:62)
	at io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:756)
	...


"Netty Server IO #1" Id=35 RUNNABLE
	at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native Method)
	at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(Unknown Source)
	at sun.nio.ch.WindowsSelectorImpl$SubSelector.access$400(Unknown Source)
	at sun.nio.ch.WindowsSelectorImpl.doSelect(Unknown Source)
	at sun.nio.ch.SelectorImpl.lockAndDoSelect(Unknown Source)
	-  locked io.netty.channel.nio.SelectedSelectionKeySet@533a4f25
	-  locked java.util.Collections$UnmodifiableSet@2b44ba2a
	-  locked sun.nio.ch.WindowsSelectorImpl@2f236acc
	at sun.nio.ch.SelectorImpl.select(Unknown Source)
	at io.netty.channel.nio.SelectedSelectionKeySetSelector.select(SelectedSelectionKeySetSelector.java:62)
	at io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:756)
	...


"Java2D Disposer" Id=33 WAITING on java.lang.ref.ReferenceQueue$Lock@7fe67aec
	at java.lang.Object.wait(Native Method)
	-  waiting on java.lang.ref.ReferenceQueue$Lock@7fe67aec
	at java.lang.ref.ReferenceQueue.remove(Unknown Source)
	at java.lang.ref.ReferenceQueue.remove(Unknown Source)
	at sun.java2d.Disposer.run(Unknown Source)
	at java.lang.Thread.run(Unknown Source)


"Server Watchdog" Id=32 RUNNABLE
	at sun.management.ThreadImpl.dumpThreads0(Native Method)
	at sun.management.ThreadImpl.dumpAllThreads(Unknown Source)
	at wg.run(SourceFile:45)
	at java.lang.Thread.run(Unknown Source)


"poi IO worker" Id=31 WAITING on java.lang.String@7ea44152
	at sun.misc.Unsafe.park(Native Method)
	-  waiting on java.lang.String@7ea44152
	at java.util.concurrent.locks.LockSupport.park(Unknown Source)
	at caz.c(SourceFile:124)
	at caz.d(SourceFile:134)
	at caz$$Lambda$2157/696822684.run(Unknown Source)
	at java.lang.Thread.run(Unknown Source)


"chunk IO worker" Id=30 WAITING on java.lang.String@7ea44152
	at sun.misc.Unsafe.park(Native Method)
	-  waiting on java.lang.String@7ea44152
	at java.util.concurrent.locks.LockSupport.park(Unknown Source)
	at caz.c(SourceFile:124)
	at caz.d(SourceFile:134)
	at caz$$Lambda$2157/696822684.run(Unknown Source)
	at java.lang.Thread.run(Unknown Source)


"poi IO worker" Id=29 WAITING on java.lang.String@7ea44152
	at sun.misc.Unsafe.park(Native Method)
	-  waiting on java.lang.String@7ea44152
	at java.util.concurrent.locks.LockSupport.park(Unknown Source)
	at caz.c(SourceFile:124)
	at caz.d(SourceFile:134)
	at caz$$Lambda$2157/696822684.run(Unknown Source)
	at java.lang.Thread.run(Unknown Source)


"chunk IO worker" Id=28 WAITING on java.lang.String@7ea44152
	at sun.misc.Unsafe.park(Native Method)
	-  waiting on java.lang.String@7ea44152
	at java.util.concurrent.locks.LockSupport.park(Unknown Source)
	at caz.c(SourceFile:124)
	at caz.d(SourceFile:134)
	at caz$$Lambda$2157/696822684.run(Unknown Source)
	at java.lang.Thread.run(Unknown Source)


"poi IO worker" Id=27 WAITING on java.lang.String@7ea44152
	at sun.misc.Unsafe.park(Native Method)
	-  waiting on java.lang.String@7ea44152
	at java.util.concurrent.locks.LockSupport.park(Unknown Source)
	at caz.c(SourceFile:124)
	at caz.d(SourceFile:134)
	at caz$$Lambda$2157/696822684.run(Unknown Source)
	at java.lang.Thread.run(Unknown Source)


"chunk IO worker" Id=26 WAITING on java.lang.String@7ea44152
	at sun.misc.Unsafe.park(Native Method)
	-  waiting on java.lang.String@7ea44152
	at java.util.concurrent.locks.LockSupport.park(Unknown Source)
	at caz.c(SourceFile:124)
	at caz.d(SourceFile:134)
	at caz$$Lambda$2157/696822684.run(Unknown Source)
	at java.lang.Thread.run(Unknown Source)


"Resource IO {0}" Id=25 WAITING on java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@70bf2146
	at sun.misc.Unsafe.park(Native Method)
	-  waiting on java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject@70bf2146
	at java.util.concurrent.locks.LockSupport.park(Unknown Source)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(Unknown Source)
	at java.util.concurrent.LinkedBlockingQueue.take(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor.getTask(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
	at java.lang.Thread.run(Unknown Source)


"Netty Server IO #0" Id=24 RUNNABLE
	at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll0(Native Method)
	at sun.nio.ch.WindowsSelectorImpl$SubSelector.poll(Unknown Source)
	at sun.nio.ch.WindowsSelectorImpl$SubSelector.access$400(Unknown Source)
	at sun.nio.ch.WindowsSelectorImpl.doSelect(Unknown Source)
	at sun.nio.ch.SelectorImpl.lockAndDoSelect(Unknown Source)
	-  locked io.netty.channel.nio.SelectedSelectionKeySet@447e5097
	-  locked java.util.Collections$UnmodifiableSet@88363ee
	-  locked sun.nio.ch.WindowsSelectorImpl@54f11d7d
	at sun.nio.ch.SelectorImpl.select(Unknown Source)
	at io.netty.channel.nio.SelectedSelectionKeySetSelector.select(SelectedSelectionKeySetSelector.java:62)
	at io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:756)
	...


"ObjectCleanerThread" Id=23 TIMED_WAITING on java.lang.ref.ReferenceQueue$Lock@5dcda3b4
	at java.lang.Object.wait(Native Method)
	-  waiting on java.lang.ref.ReferenceQueue$Lock@5dcda3b4
	at java.lang.ref.ReferenceQueue.remove(Unknown Source)
	at io.netty.util.internal.ObjectCleaner$1.run(ObjectCleaner.java:54)
	at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
	at java.lang.Thread.run(Unknown Source)


"Server console handler" Id=22 RUNNABLE (in native)
	at java.io.FileInputStream.readBytes(Native Method)
	at java.io.FileInputStream.read(Unknown Source)
	at java.io.BufferedInputStream.read1(Unknown Source)
	at java.io.BufferedInputStream.read(Unknown Source)
	-  locked java.io.BufferedInputStream@6b01ba72
	at sun.nio.cs.StreamDecoder.readBytes(Unknown Source)
	at sun.nio.cs.StreamDecoder.implRead(Unknown Source)
	at sun.nio.cs.StreamDecoder.read(Unknown Source)
	-  locked java.io.InputStreamReader@788e38ef
	at java.io.InputStreamReader.read(Unknown Source)
	...


"DestroyJavaVM" Id=21 RUNNABLE


"Server thread" Id=18 RUNNABLE
	at cy.c(SourceFile:69)
	at tv.c(SourceFile:478)
	at tv$$Lambda$1389/182174652.apply(Unknown Source)
	at com.mojang.brigadier.CommandDispatcher.execute(CommandDispatcher.java:242)
	at cn$b.a(SourceFile:81)
	at sy$a.a(SourceFile:217)
	at sy.a(SourceFile:118)
	at sy.e(SourceFile:80)
	...


"Server Infinisleeper" Id=19 TIMED_WAITING
	at java.lang.Thread.sleep(Native Method)
	at wd$1.run(SourceFile:94)


"Snooper Timer" Id=17 WAITING on java.util.TaskQueue@24c8d876
	at java.lang.Object.wait(Native Method)
	-  waiting on java.util.TaskQueue@24c8d876
	at java.lang.Object.wait(Unknown Source)
	at java.util.TimerThread.mainLoop(Unknown Source)
	at java.util.TimerThread.run(Unknown Source)


"Attach Listener" Id=5 RUNNABLE


"Signal Dispatcher" Id=4 RUNNABLE


"Finalizer" Id=3 WAITING on java.lang.ref.ReferenceQueue$Lock@14280f58
	at java.lang.Object.wait(Native Method)
	-  waiting on java.lang.ref.ReferenceQueue$Lock@14280f58
	at java.lang.ref.ReferenceQueue.remove(Unknown Source)
	at java.lang.ref.ReferenceQueue.remove(Unknown Source)
	at java.lang.ref.Finalizer$FinalizerThread.run(Unknown Source)


"Reference Handler" Id=2 WAITING on java.lang.ref.Reference$Lock@729cf585
	at java.lang.Object.wait(Native Method)
	-  waiting on java.lang.ref.Reference$Lock@729cf585
	at java.lang.Object.wait(Unknown Source)
	at java.lang.ref.Reference.tryHandlePending(Unknown Source)
	at java.lang.ref.Reference$ReferenceHandler.run(Unknown Source)



Stacktrace:
	at wg.run(SourceFile:61)
	at java.lang.Thread.run(Unknown Source)

-- System Details --
Details:
	Minecraft Version: 1.15.2
	Minecraft Version ID: 1.15.2
	Operating System: Windows 10 (amd64) version 10.0
	Java Version: 1.8.0_201, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 2852185688 bytes (2720 MB) / 4290248704 bytes (4091 MB) up to 4290248704 bytes (4091 MB)
	CPUs: 4
	JVM Flags: 2 total; -Xmx4096M -Xms4096M
	Player Count: 2 / 5; [xe['KarasuKT'/2259, l='world', x=-8.86, y=63.00, z=22.32], xe['Xeleztial'/97, l='world', x=5.54, y=61.00, z=7.46]]
	Data Packs: vanilla, file/skyblockDatapack (incompatible)
	Is Modded: Unknown (can't tell)
	Type: Dedicated Server (map_server.txt)