[05:39:25 WARN]: java.lang.IllegalStateException: Asynchronous block remove!
[05:39:25 WARN]:        at net.minecraft.server.v1_7_R1.Block.remove(Block.java:441)
[05:39:25 WARN]:        at net.minecraft.server.v1_7_R1.Chunk.a(Chunk.java:436)
[05:39:25 WARN]:        at net.minecraft.server.v1_7_R1.World.setTypeAndData(World.java:344)
[05:39:25 WARN]:        at org.bukkit.craftbukkit.v1_7_R1.block.CraftBlock.setTypeIdAndData(CraftBlock.java:127)
[05:39:25 WARN]:        at org.bukkit.craftbukkit.v1_7_R1.block.CraftBlock.setTypeId(CraftBlock.java:122)
[05:39:25 WARN]:        at org.bukkit.craftbukkit.v1_7_R1.block.CraftBlock.setTypeId(CraftBlock.java:118)
[05:39:25 WARN]:        at com.sk89q.worldedit.bukkit.BukkitWorld.setBlockType(BukkitWorld.java:280)
[05:39:25 WARN]:        at com.sk89q.worldedit.LocalPlayer.ascendUpwards(LocalPlayer.java:282)
[05:39:25 WARN]:        at com.sk89q.worldedit.commands.NavigationCommands.up(NavigationCommands.java:190)
[05:39:25 WARN]:        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[05:39:25 WARN]:        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
[05:39:25 WARN]:        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[05:39:25 WARN]:        at java.lang.reflect.Method.invoke(Method.java:622)
[05:39:25 WARN]:        at com.sk89q.minecraft.util.commands.CommandsManager.invokeMethod(CommandsManager.java:533)
[05:39:25 WARN]:        at com.sk89q.worldedit.WorldEdit$1.invokeMethod(WorldEdit.java:257)
[05:39:25 WARN]:        at com.sk89q.worldedit.WorldEdit$1.invokeMethod(WorldEdit.java:188)
[05:39:25 WARN]:        at com.sk89q.minecraft.util.commands.CommandsManager.executeMethod(CommandsManager.java:520)
[05:39:25 WARN]:        at com.sk89q.minecraft.util.commands.CommandsManager.execute(CommandsManager.java:425)
[05:39:25 WARN]:        at com.sk89q.worldedit.WorldEdit.handleCommand(WorldEdit.java:1419)
[05:39:25 WARN]:        at com.sk89q.worldedit.bukkit.WorldEditPlugin.onCommand(WorldEditPlugin.java:242)
[05:39:25 WARN]:        at com.sk89q.bukkit.util.DynamicPluginCommand.execute(DynamicPluginCommand.java:52)
[05:39:25 WARN]:        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:192)
[05:39:25 WARN]:        at org.bukkit.craftbukkit.v1_7_R1.CraftServer.dispatchCommand(CraftServer.java:546)
[05:39:25 WARN]:        at com.sk89q.worldedit.bukkit.WorldEditListener.onPlayerCommandPreprocess(WorldEditListener.java:101)
[05:39:25 WARN]:        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[05:39:25 WARN]:        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
[05:39:25 WARN]:        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[05:39:25 WARN]:        at java.lang.reflect.Method.invoke(Method.java:622)
[05:39:25 WARN]:        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:425)
[05:39:25 WARN]:        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
[05:39:25 WARN]:        at org.bukkit.plugin.TimedRegisteredListener.callEvent(TimedRegisteredListener.java:30)
[05:39:25 WARN]:        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:478)
[05:39:25 WARN]:        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:463)
[05:39:25 WARN]:        at net.minecraft.server.v1_7_R1.PlayerConnection.handleCommand(PlayerConnection.java:919)
[05:39:25 WARN]:        at net.minecraft.server.v1_7_R1.PlayerConnection.a(PlayerConnection.java:806)
[05:39:25 WARN]:        at net.minecraft.server.v1_7_R1.PacketPlayInChat.a(PacketPlayInChat.java:28)
[05:39:25 WARN]:        at net.minecraft.server.v1_7_R1.PacketPlayInChat$1.run(PacketPlayInChat.java:57)
[05:39:25 WARN]:        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
[05:39:25 WARN]:        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
[05:39:25 WARN]:        at java.util.concurrent.FutureTask.run(FutureTask.java:166)
[05:39:25 WARN]:        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
[05:39:25 WARN]:        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
[05:39:25 WARN]:        at java.lang.Thread.run(Thread.java:701)