Crash - Exception in server tick loop (java.util.concurrent.RejectedExecutionException)

Hello = D

I have been with this problem for several days and it brings me to my head, I do not stop checking the log and I do not give with the failure, can you help me please?


(I also had one of permissions failure in "session.lock" but it is already fixed)


Complete code: https://pastebin.com/kfrfqFKh

Code:

---- Minecraft Crash Report ----
// On the bright side, I bought you a teddy bear!

Time: 26/09/2019, 06:13
Description: Exception in server tick loop

java.util.concurrent.RejectedExecutionException
    at java.base/java.util.concurrent.ForkJoinPool.externalPush(ForkJoinPool.java:1880)
    at java.base/java.util.concurrent.ForkJoinPool.externalSubmit(ForkJoinPool.java:1921)
    at java.base/java.util.concurrent.ForkJoinPool.execute(ForkJoinPool.java:2453)
    at java.base/java.util.concurrent.CompletableFuture.asyncSupplyStage(CompletableFuture.java:1714)
    at java.base/java.util.concurrent.CompletableFuture.supplyAsync(CompletableFuture.java:1931)
    at net.minecraft.server.v1_14_R1.Tags.a(SourceFile:84)
    at net.minecraft.server.v1_14_R1.TagRegistry.a(TagRegistry.java:57)
    at net.minecraft.server.v1_14_R1.Reloadable.a(SourceFile:33)
    at net.minecraft.server.v1_14_R1.Reloadable.<init>(SourceFile:46)
    at net.minecraft.server.v1_14_R1.Reloadable.a(SourceFile:33)
    at net.minecraft.server.v1_14_R1.ResourceManager.b(SourceFile:131)
    at net.minecraft.server.v1_14_R1.ResourceManager.a(SourceFile:151)
    at net.minecraft.server.v1_14_R1.ResourceManager.a(SourceFile:116)
    at net.minecraft.server.v1_14_R1.MinecraftServer.b(MinecraftServer.java:1722)
    at net.minecraft.server.v1_14_R1.MinecraftServer.a(MinecraftServer.java:542)
    at net.minecraft.server.v1_14_R1.MinecraftServer.a(MinecraftServer.java:375)
    at net.minecraft.server.v1_14_R1.DedicatedServer.init(DedicatedServer.java:266)
    at net.minecraft.server.v1_14_R1.MinecraftServer.run(MinecraftServer.java:775)
    at java.base/java.lang.Thread.run(Thread.java:834)