[00:59:43] [Server thread/INFO]: WorldEdit: PLAYER (in "WELT"): /fillr bedrock 200 - Position: (1347.0, -1.0, 573.0)
[00:59:43] [Server thread/ERROR]: [WorldEdit] An unexpected error while handling a WorldEdit command
java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_20]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_20]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_20]
	at java.lang.reflect.Method.invoke(Method.java:483) ~[?:1.8.0_20]
	at com.sk89q.worldedit.util.command.parametric.ParametricCallable.call(ParametricCallable.java:243) ~[WorldEdit.jar:?]
	at com.sk89q.worldedit.util.command.SimpleDispatcher.call(SimpleDispatcher.java:125) ~[WorldEdit.jar:?]
	at org.primesoft.asyncworldedit.worldedit.utils.command.DispatcherWrapper.call(DispatcherWrapper.java:119) ~[AsyncWorldEdit.jar:?]
	at com.sk89q.worldedit.extension.platform.CommandManager.handleCommand(CommandManager.java:225) [WorldEdit.jar:?]
	at sun.reflect.GeneratedMethodAccessor825.invoke(Unknown Source) ~[?:?]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_20]
	at java.lang.reflect.Method.invoke(Method.java:483) ~[?:1.8.0_20]
	at com.sk89q.worldedit.util.eventbus.MethodEventHandler.dispatch(MethodEventHandler.java:58) [WorldEdit.jar:?]
	at com.sk89q.worldedit.util.eventbus.EventHandler.handleEvent(EventHandler.java:73) [WorldEdit.jar:?]
	at com.sk89q.worldedit.util.eventbus.EventBus.dispatch(EventBus.java:187) [WorldEdit.jar:?]
	at com.sk89q.worldedit.util.eventbus.EventBus.post(EventBus.java:173) [WorldEdit.jar:?]
	at com.sk89q.worldedit.bukkit.WorldEditPlugin.onCommand(WorldEditPlugin.java:242) [WorldEdit.jar:?]
	at com.sk89q.bukkit.util.DynamicPluginCommand.execute(DynamicPluginCommand.java:54) [WorldEdit.jar:?]
	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141) [spigot.jar:git-Spigot-b43a31a-20c65ca]
	at org.bukkit.craftbukkit.v1_8_R1.CraftServer.dispatchCommand(CraftServer.java:645) [spigot.jar:git-Spigot-b43a31a-20c65ca]
	at net.minecraft.server.v1_8_R1.PlayerConnection.handleCommand(PlayerConnection.java:1115) [spigot.jar:git-Spigot-b43a31a-20c65ca]
	at net.minecraft.server.v1_8_R1.PlayerConnection.a(PlayerConnection.java:950) [spigot.jar:git-Spigot-b43a31a-20c65ca]
	at net.minecraft.server.v1_8_R1.PacketPlayInChat.a(PacketPlayInChat.java:26) [spigot.jar:git-Spigot-b43a31a-20c65ca]
	at net.minecraft.server.v1_8_R1.PacketPlayInChat.a(PacketPlayInChat.java:53) [spigot.jar:git-Spigot-b43a31a-20c65ca]
	at net.minecraft.server.v1_8_R1.PacketHandleTask.run(SourceFile:13) [spigot.jar:git-Spigot-b43a31a-20c65ca]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_20]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_20]
	at net.minecraft.server.v1_8_R1.MinecraftServer.z(MinecraftServer.java:683) [spigot.jar:git-Spigot-b43a31a-20c65ca]
	at net.minecraft.server.v1_8_R1.DedicatedServer.z(DedicatedServer.java:316) [spigot.jar:git-Spigot-b43a31a-20c65ca]
	at net.minecraft.server.v1_8_R1.MinecraftServer.y(MinecraftServer.java:623) [spigot.jar:git-Spigot-b43a31a-20c65ca]
	at net.minecraft.server.v1_8_R1.MinecraftServer.run(MinecraftServer.java:526) [spigot.jar:git-Spigot-b43a31a-20c65ca]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_20]
Caused by: java.lang.IllegalArgumentException: minY <= maxY required
	at com.google.common.base.Preconditions.checkArgument(Preconditions.java:125) ~[spigot.jar:git-Spigot-b43a31a-20c65ca]
	at com.sk89q.worldedit.function.mask.BoundedHeightMask.<init>(BoundedHeightMask.java:44) ~[?:?]
	at com.sk89q.worldedit.EditSession.fillXZ(EditSession.java:765) ~[?:?]
	at org.primesoft.asyncworldedit.worldedit.AsyncEditSession.fillXZ(AsyncEditSession.java:917) ~[?:?]
	at com.sk89q.worldedit.command.UtilityCommands.fillr(UtilityCommands.java:135) ~[?:?]
	... 31 more