[19:16:33] [Server-Worker-3659/ERROR] [minecraft/DelegatedTaskExecutor]: Cound not schedule mailbox
java.util.concurrent.RejectedExecutionException: null
        at java.util.concurrent.ForkJoinPool.externalSubmit(ForkJoinPool.java:2328) ~[?:1.8.0_221] {}
        at java.util.concurrent.ForkJoinPool.externalPush(ForkJoinPool.java:2419) ~[?:1.8.0_221] {}
        at java.util.concurrent.ForkJoinPool.execute(ForkJoinPool.java:2648) ~[?:1.8.0_221] {}
        at net.minecraft.util.concurrent.DelegatedTaskExecutor.func_213143_f(SourceFile:112) ~[?:?] {re:classloading}
        at net.minecraft.util.concurrent.DelegatedTaskExecutor.func_212871_a_(SourceFile:101) ~[?:?] {re:classloading}
        at net.minecraft.world.chunk.ChunkTaskPriorityQueueSorter.func_219078_a(SourceFile:142) ~[?:?] {re:classloading}
        at net.minecraft.world.chunk.ChunkTaskPriorityQueueSorter.func_219088_a(SourceFile:150) ~[?:?] {re:classloading}
        at java.util.concurrent.CompletableFuture.uniAccept(CompletableFuture.java:656) ~[?:1.8.0_221] {}
        at java.util.concurrent.CompletableFuture$UniAccept.tryFire(CompletableFuture.java:632) ~[?:1.8.0_221] {}
        at java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:474) ~[?:1.8.0_221] {}
        at java.util.concurrent.CompletableFuture.complete(CompletableFuture.java:1962) ~[?:1.8.0_221] {}
        at net.minecraft.util.concurrent.ITaskExecutor$1.func_212871_a_(SourceFile:32) ~[?:?] {re:classloading}
        at net.minecraft.world.chunk.ChunkTaskPriorityQueueSorter.func_219083_b(SourceFile:59) ~[?:?] {re:classloading}
        at net.minecraft.util.concurrent.DelegatedTaskExecutor.func_213148_e(SourceFile:83) [?:?] {re:classloading}
        at net.minecraft.util.concurrent.DelegatedTaskExecutor.func_213145_a(SourceFile:123) [?:?] {re:classloading}
        at net.minecraft.util.concurrent.DelegatedTaskExecutor.run(SourceFile:91) [?:?] {re:classloading}
        at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) [?:1.8.0_221] {}
        at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) [?:1.8.0_221] {}
        at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) [?:1.8.0_221] {}
        at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1692) [?:1.8.0_221] {}
        at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_221] {}