[10:01:32 WARN]: java.lang.IllegalStateException: Asynchronous entity track!
[10:01:32 WARN]:        at org.spigotmc.AsyncCatcher.catchOp(AsyncCatcher.java:14)
[10:01:32 WARN]:        at net.minecraft.server.v1_12_R1.EntityTracker.addEntity(EntityTracker.java:108)
[10:01:32 WARN]:        at net.minecraft.server.v1_12_R1.EntityTracker.track(EntityTracker.java:82)
[10:01:32 WARN]:        at net.minecraft.server.v1_12_R1.WorldManager.a(WorldManager.java:21)
[10:01:32 WARN]:        at net.minecraft.server.v1_12_R1.World.b(World.java:1093)
[10:01:32 WARN]:        at net.minecraft.server.v1_12_R1.WorldServer.b(WorldServer.java:1160)
[10:01:32 WARN]:        at net.minecraft.server.v1_12_R1.WorldServer.a(WorldServer.java:1125)
[10:01:32 WARN]:        at net.minecraft.server.v1_12_R1.Chunk.addEntities(Chunk.java:753)
[10:01:32 WARN]:        at org.bukkit.craftbukkit.v1_12_R1.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:45)
[10:01:32 WARN]:        at org.bukkit.craftbukkit.v1_12_R1.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:1)
[10:01:32 WARN]:        at org.bukkit.craftbukkit.v1_12_R1.util.AsynchronousExecutor.skipQueue(AsynchronousExecutor.java:337)
[10:01:32 WARN]:        at org.bukkit.craftbukkit.v1_12_R1.util.AsynchronousExecutor.getSkipQueue(AsynchronousExecutor.java:295)
[10:01:32 WARN]:        at org.bukkit.craftbukkit.v1_12_R1.chunkio.ChunkIOExecutor.syncChunkLoad(ChunkIOExecutor.java:16)
[10:01:32 WARN]:        at net.minecraft.server.v1_12_R1.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:137)
[10:01:32 WARN]:        at net.minecraft.server.v1_12_R1.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:120)
[10:01:32 WARN]:        at net.minecraft.server.v1_12_R1.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:116)
[10:01:32 WARN]:        at net.minecraft.server.v1_12_R1.World.getChunkAt(World.java:333)
[10:01:32 WARN]:        at net.minecraft.server.v1_12_R1.World.getChunkAtWorldCoords(World.java:329)
[10:01:32 WARN]:        at net.minecraft.server.v1_12_R1.World.getType(World.java:810)
[10:01:32 WARN]:        at org.bukkit.craftbukkit.v1_12_R1.CraftWorld.getBlockTypeIdAt(CraftWorld.java:99)
[10:01:32 WARN]:        at org.bukkit.craftbukkit.v1_12_R1.block.CraftChest.getInventory(CraftChest.java:72)
[10:01:32 WARN]:        at de.robotricker.transportpipes.container.SimpleInventoryContainer.updateBlock(SimpleInventoryContainer.java:135)
[10:01:32 WARN]:        at de.robotricker.transportpipes.utils.staticutils.ContainerBlockUtils.handleChunkLoadSync(ContainerBlockUtils.java:188)
[10:01:32 WARN]:        at de.robotricker.transportpipes.utils.hitbox.occlusionculling.BlockChangeListener.handleChunkLoadSync(BlockChangeListener.java:68)
[10:01:32 WARN]:        at de.robotricker.transportpipes.utils.hitbox.occlusionculling.BlockChangeListener.onChunkLoad(BlockChangeListener.java:47)
[10:01:32 WARN]:        at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source)
[10:01:32 WARN]:        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
[10:01:32 WARN]:        at java.lang.reflect.Method.invoke(Unknown Source)
[10:01:32 WARN]:        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:302)
[10:01:32 WARN]:        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
[10:01:32 WARN]:        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:500)
[10:01:32 WARN]:        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:485)
[10:01:32 WARN]:        at net.minecraft.server.v1_12_R1.Chunk.loadNearby(Chunk.java:910)
[10:01:32 WARN]:        at org.bukkit.craftbukkit.v1_12_R1.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:53)
[10:01:32 WARN]:        at org.bukkit.craftbukkit.v1_12_R1.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:1)
[10:01:32 WARN]:        at org.bukkit.craftbukkit.v1_12_R1.util.AsynchronousExecutor.skipQueue(AsynchronousExecutor.java:337)
[10:01:32 WARN]:        at org.bukkit.craftbukkit.v1_12_R1.util.AsynchronousExecutor.getSkipQueue(AsynchronousExecutor.java:295)
[10:01:32 WARN]:        at org.bukkit.craftbukkit.v1_12_R1.chunkio.ChunkIOExecutor.syncChunkLoad(ChunkIOExecutor.java:16)
[10:01:32 WARN]:        at net.minecraft.server.v1_12_R1.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:137)
[10:01:32 WARN]:        at net.minecraft.server.v1_12_R1.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:120)
[10:01:32 WARN]:        at net.minecraft.server.v1_12_R1.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:116)
[10:01:32 WARN]:        at org.bukkit.craftbukkit.v1_12_R1.CraftWorld.getChunkAt(CraftWorld.java:138)
[10:01:32 WARN]:        at org.bukkit.craftbukkit.v1_12_R1.CraftWorld.getBlockAt(CraftWorld.java:95)
[10:01:32 WARN]:        at org.bukkit.craftbukkit.v1_12_R1.CraftWorld.getBlockAt(CraftWorld.java:568)
[10:01:32 WARN]:        at org.bukkit.Location.getBlock(Location.java:91)
[10:01:32 WARN]:        at me.mrCookieSlime.Slimefun.Setup.SlimefunSetup$49.generateEnergy(SlimefunSetup.java:3200)
[10:01:32 WARN]:        at me.mrCookieSlime.Slimefun.api.energy.EnergyNet.tick(EnergyNet.java:102)
[10:01:32 WARN]:        at me.mrCookieSlime.Slimefun.Setup.SlimefunSetup$47.tick(SlimefunSetup.java:3152)
[10:01:32 WARN]:        at me.mrCookieSlime.Slimefun.api.TickerTask.run(TickerTask.java:200)
[10:01:32 WARN]:        at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:71)
[10:01:32 WARN]:        at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:52)
[10:01:32 WARN]:        at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
[10:01:32 WARN]:        at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
[10:01:32 WARN]:        at java.lang.Thread.run(Unknown Source)