java.util.concurrent.CompletionException: java.lang.IllegalStateException: Asynchronous ChunkMapDistance::addTicket!
        at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:314) ~[?:?]
        at java.util.concurrent.CompletableFuture.uniAcceptNow(CompletableFuture.java:757) ~[?:?]
        at java.util.concurrent.CompletableFuture.uniAcceptStage(CompletableFuture.java:731) ~[?:?]
        at java.util.concurrent.CompletableFuture.thenAccept(CompletableFuture.java:2108) ~[?:?]
        at org.bukkit.World.getChunkAtAsync(World.java:507) ~[patched_1.16.5.jar:git-Paper-503]
        at jdk.internal.reflect.GeneratedMethodAccessor21.invoke(Unknown Source) ~[?:?]
        at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
        at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
        at de.marcely.bedwars.versions.PaperHandler.getChunkAtAsync(PaperHandler.java:50) ~[?:?]
        at de.marcely.bedwars.game.arena.regeneration.region.v3.processor.SafeRegenerationProcessor.run(SafeRegenerationProcessor.java:76) ~[?:?]
        at de.marcely.bedwars.game.arena.regeneration.RegionRegeneratorV3.lambda$3(RegionRegeneratorV3.java:90) ~[?:?]
        at de.marcely.bedwars.game.arena.regeneration.region.v3.ThreadedRegionContainerFile.lambda$0(ThreadedRegionContainerFile.java:52) ~[?:?]
        at de.marcely.bedwars.game.arena.regeneration.RegionRegeneratorV3$1.run(RegionRegeneratorV3.java:73) ~[?:?]
Caused by: java.lang.IllegalStateException: Asynchronous ChunkMapDistance::addTicket!
        at org.spigotmc.AsyncCatcher.catchOp(AsyncCatcher.java:15) ~[patched_1.16.5.jar:git-Paper-503]
        at net.minecraft.server.v1_16_R3.ChunkMapDistance.addTicket(ChunkMapDistance.java:158) ~[patched_1.16.5.jar:git-Paper-503]
        at net.minecraft.server.v1_16_R3.ChunkMapDistance.addTicketAtLevel(ChunkMapDistance.java:346) ~[patched_1.16.5.jar:git-Paper-503]
        at org.bukkit.craftbukkit.v1_16_R3.CraftWorld.addPluginChunkTicket(CraftWorld.java:651) ~[patched_1.16.5.jar:git-Paper-503]
        at de.marcely.bedwars.versions.R3_16.addPluginChunkTicket​(R3_16.java:1608) ~[?:?]
        at de.marcely.bedwars.game.arena.regeneration.region.v3.processor.SafeRegenerationProcessor.lambda$0(SafeRegenerationProcessor.java:90) ~[?:?]
        at java.util.concurrent.CompletableFuture.uniAcceptNow(CompletableFuture.java:753) ~[?:?]
        ... 11 more