Помощь Проблема с плагином MythicMobs v4.13.1

Приветствую. Работаю с плагином недавно. Всё было стабильно, без ошибок. Но недавно плагин начал спамить в консоль ошибку:
[Server thread/ERROR]: Could not pass event ChunkLoadEvent to MythicMobs v4.13.1-a7901084
java.lang.NullPointerException: null
at io.lumine.xikage.mythicmobs.mobs.MobRegistry.put(MobRegistry.java:72) ~[?:?]
at io.lumine.xikage.mythicmobs.mobs.MobManager.registerActiveMob(MobManager.java:433) ~[?:?]
at io.lumine.xikage.mythicmobs.adapters.bukkit.listeners.ChunkListeners.ChunkLoadEvent(ChunkListeners.java:61) ~[?:?]
at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor595.execute(Unknown Source) ~[?:?]
at org.bukkit.plugin.EventExecutor.lambda$create$1(EventExecutor.java:69) ~[patched_1.16.3.jar:git-Tuinity-"7936e2b"]
at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:80) ~[patched_1.16.3.jar:git-Tuinity-"7936e2b"]
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70) ~[patched_1.16.3.jar:git-Tuinity-"7936e2b"]
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:607) ~[patched_1.16.3.jar:git-Tuinity-"7936e2b"]
at net.minecraft.server.v1_16_R2.Chunk.loadCallback(Chunk.java:868) ~[patched_1.16.3.jar:git-Tuinity-"7936e2b"]
at net.minecraft.server.v1_16_R2.PlayerChunk.lambda$null$15(PlayerChunk.java:768) ~[patched_1.16.3.jar:git-Tuinity-"7936e2b"]
at net.minecraft.server.v1_16_R2.PlayerChunkMap$CallbackExecutor.run(PlayerChunkMap.java:146) ~[patched_1.16.3.jar:git-Tuinity-"7936e2b"]
at net.minecraft.server.v1_16_R2.PlayerChunk.a(PlayerChunk.java:778) ~[patched_1.16.3.jar:git-Tuinity-"7936e2b"]
at net.minecraft.server.v1_16_R2.ChunkMapDistance.a(ChunkMapDistance.java:178) ~[patched_1.16.3.jar:git-Tuinity-"7936e2b"]
at net.minecraft.server.v1_16_R2.ChunkProviderServer.tickDistanceManager(ChunkProviderServer.java:824) ~[patched_1.16.3.jar:git-Tuinity-"7936e2b"]
at net.minecraft.server.v1_16_R2.PlayerChunkMap.checkHighPriorityChunks(PlayerChunkMap.java:573) ~[patched_1.16.3.jar:git-Tuinity-"7936e2b"]
at net.minecraft.server.v1_16_R2.EntityPlayer.playerTick(EntityPlayer.java:510) ~[patched_1.16.3.jar:git-Tuinity-"7936e2b"]
at net.minecraft.server.v1_16_R2.PlayerConnection.tick(PlayerConnection.java:163) ~[?:git-Tuinity-"7936e2b"]
at net.minecraft.server.v1_16_R2.NetworkManager.a(NetworkManager.java:434) ~[patched_1.16.3.jar:git-Tuinity-"7936e2b"]
at net.minecraft.server.v1_16_R2.ServerConnection.c(ServerConnection.java:145) ~[patched_1.16.3.jar:git-Tuinity-"7936e2b"]
at net.minecraft.server.v1_16_R2.MinecraftServer.b(MinecraftServer.java:1442) ~[patched_1.16.3.jar:git-Tuinity-"7936e2b"]
at net.minecraft.server.v1_16_R2.DedicatedServer.b(DedicatedServer.java:372) ~[patched_1.16.3.jar:git-Tuinity-"7936e2b"]
at net.minecraft.server.v1_16_R2.MinecraftServer.a(MinecraftServer.java:1267) ~[patched_1.16.3.jar:git-Tuinity-"7936e2b"]
at net.minecraft.server.v1_16_R2.MinecraftServer.w(MinecraftServer.java:999) ~[patched_1.16.3.jar:git-Tuinity-"7936e2b"]
at net.minecraft.server.v1_16_R2.MinecraftServer.lambda$a$0(MinecraftServer.java:177) ~[patched_1.16.3.jar:git-Tuinity-"7936e2b"]
at java.lang.Thread.run(Thread.java:834) [?:?]

 

Помогите разобраться в ситуации. Что провоцирует вывод данной ошибки? Я ещё не особо силён в кодинге.