Помогите paper. Помогите, неизвестная ошибка.

Здравствуйте. Возможно пишу не туда, но очень надоела неизвестная ошибка. Она на ядре PAPER-SPIGOT 1 17 1.


[19:23:02 FATAL]: Error executing task on Server
java.lang.IllegalArgumentException: Comparison method violates its general contract!
at java.util.TimSort.mergeHi(TimSort.java:903) ~[?:?]
at java.util.TimSort.mergeAt(TimSort.java:520) ~[?:?]
at java.util.TimSort.mergeForceCollapse(TimSort.java:461) ~[?:?]
at java.util.TimSort.sort(TimSort.java:254) ~[?:?]
at java.util.Arrays.sort(Arrays.java:1306) ~[?:?]
at java.util.stream.SortedOps$SizedRefSortingSink.end(SortedOps.java:353) ~[?:?]
at java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:503) ~[?:?]
at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:488) ~[?:?]
at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) ~[?:?]
at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) ~[?:?]
at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) ~[?:?]
at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[?:?]
at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596) ~[?:?]
at net.minecraft.server.players.GameProfileCache.save(GameProfileCache.java:300) ~[app:?]
at net.minecraft.server.players.GameProfileCache.add(GameProfileCache.java:138) ~[app:?]
at net.minecraft.world.level.block.entity.SkullBlockEntity.lambda$updateGameprofile$1(SkullBlockEntity.java:162) ~[app:?]
at net.minecraft.server.TickTask.run(TickTask.java:18) ~[patched_1.17.1.jar:git-Paper-373]
at net.minecraft.util.thread.BlockableEventLoop.doRunTask(BlockableEventLoop.java:149) ~[app:?]
at net.minecraft.util.thread.ReentrantBlockableEventLoop.doRunTask(ReentrantBlockableEventLoop.java:23) ~[app:?]
at net.minecraft.server.MinecraftServer.doRunTask(MinecraftServer.java:1423) ~[patched_1.17.1.jar:git-Paper-373]
at net.minecraft.server.MinecraftServer.shouldRun(MinecraftServer.java:192) ~[patched_1.17.1.jar:git-Paper-373]
at net.minecraft.util.thread.BlockableEventLoop.pollTask(BlockableEventLoop.java:122) ~[app:?]
at net.minecraft.server.MinecraftServer.pollTaskInternal(MinecraftServer.java:1401) ~[patched_1.17.1.jar:git-Paper-373]
at net.minecraft.server.MinecraftServer.pollTask(MinecraftServer.java:1394) ~[patched_1.17.1.jar:git-Paper-373]
at net.minecraft.util.thread.BlockableEventLoop.managedBlock(BlockableEventLoop.java:132) ~[app:?]
at net.minecraft.server.MinecraftServer.waitUntilNextTick(MinecraftServer.java:1372) ~[patched_1.17.1.jar:git-Paper-373]
at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1283) ~[patched_1.17.1.jar:git-Paper-373]
at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:319) ~[patched_1.17.1.jar:git-Paper-373]
at java.lang.Thread.run(Thread.java:831) ~[?:?]