[00:19:47 WARN]: java.lang.IllegalArgumentException: ChunkNibbleArrays should be 2048 bytes not: 0
> [00:19:47 WARN]: at net.minecraft.server.v1_12_R1.NibbleArray.<init>(NibbleArray.java:14)
> [00:19:47 WARN]: at net.minecraft.server.v1_12_R1.ChunkRegionLoader.a(ChunkRegionLoader.java:421)
> [00:19:47 WARN]: at net.minecraft.server.v1_12_R1.ChunkRegionLoader.a(ChunkRegionLoader.java:105)
> [00:19:47 WARN]: at net.minecraft.server.v1_12_R1.ChunkRegionLoader.loadChunk(ChunkRegionLoader.java:83)
> [00:19:47 WARN]: at org.bukkit.craftbukkit.v1_12_R1.chunkio.ChunkIOProvider.callStage1(ChunkIOProvider.java:23)
> [00:19:47 WARN]: at org.bukkit.craftbukkit.v1_12_R1.chunkio.ChunkIOProvider.callStage1(ChunkIOProvider.java:16)
> [00:19:47 WARN]: at org.bukkit.craftbukkit.v1_12_R1.util.AsynchronousExecutor.skipQueue(AsynchronousExecutor.java:336)
> [00:19:47 WARN]: at org.bukkit.craftbukkit.v1_12_R1.util.AsynchronousExecutor.getSkipQueue(AsynchronousExecutor.java:295)
> [00:19:47 WARN]: at org.bukkit.craftbukkit.v1_12_R1.chunkio.ChunkIOExecutor.lambda$syncChunkLoad$0(ChunkIOExecutor.java:18)
> [00:19:47 WARN]: at net.minecraft.server.v1_12_R1.MCUtil.ensureMain(MCUtil.java:69)
> [00:19:47 WARN]: at org.bukkit.craftbukkit.v1_12_R1.chunkio.ChunkIOExecutor.syncChunkLoad(ChunkIOExecutor.java:18)
> [00:19:47 WARN]: at net.minecraft.server.v1_12_R1.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:164)
> [00:19:47 WARN]: at net.minecraft.server.v1_12_R1.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:147)
> [00:19:47 WARN]: at net.minecraft.server.v1_12_R1.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:143)
> [00:19:47 WARN]: at org.bukkit.craftbukkit.v1_12_R1.CraftServer.createWorld(CraftServer.java:993)
> [00:19:47 WARN]: at org.bukkit.Bukkit.createWorld(Bukkit.java:474)
> [00:19:47 WARN]: at org.bukkit.WorldCreator.createWorld(WorldCreator.java:261)
> [00:19:47 WARN]: at com.onarandombox.MultiverseCore.utils.WorldManager.doLoad(WorldManager.java:466)
> [00:19:47 WARN]: at com.onarandombox.MultiverseCore.utils.WorldManager.doLoad(WorldManager.java:447)
> [00:19:47 WARN]: at com.onarandombox.MultiverseCore.utils.WorldManager.doLoad(WorldManager.java:422)
> [00:19:47 WARN]: at com.onarandombox.MultiverseCore.utils.WorldManager.loadWorlds(WorldManager.java:725)
> [00:19:47 WARN]: at com.onarandombox.MultiverseCore.MultiverseCore.onEnable(MultiverseCore.java:312)
> [00:19:47 WARN]: at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:264)
> [00:19:47 WARN]: at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:316)
> [00:19:47 WARN]: at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:405)
> [00:19:47 WARN]: at org.bukkit.craftbukkit.v1_12_R1.CraftServer.enablePlugin(CraftServer.java:387)
> [00:19:47 WARN]: at org.bukkit.craftbukkit.v1_12_R1.CraftServer.enablePlugins(CraftServer.java:336)
> [00:19:47 WARN]: at net.minecraft.server.v1_12_R1.MinecraftServer.t(MinecraftServer.java:442)
> [00:19:47 WARN]: at net.minecraft.server.v1_12_R1.MinecraftServer.l(MinecraftServer.java:403)
> [00:19:47 WARN]: at net.minecraft.server.v1_12_R1.MinecraftServer.a(MinecraftServer.java:341)
> [00:19:47 WARN]: at net.minecraft.server.v1_12_R1.DedicatedServer.init(DedicatedServer.java:292)
> [00:19:47 WARN]: at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:616)
> [00:19:47 WARN]: at java.lang.Thread.run(Thread.java:748)