2012-08-26 02:35:18 [SEVERE] java.lang.IllegalArgumentException: Can't have a block data value below 0
2012-08-26 02:35:18 [SEVERE] 	at com.sk89q.worldedit.foundation.Block.setData(Block.java:160)
2012-08-26 02:35:18 [SEVERE] 	at com.sk89q.worldedit.foundation.Block.<init>(Block.java:91)
2012-08-26 02:35:18 [SEVERE] 	at com.sk89q.worldedit.blocks.BaseBlock.<init>(BaseBlock.java:49)
2012-08-26 02:35:18 [SEVERE] 	at com.sk89q.worldedit.WorldEdit.getBlock(WorldEdit.java:456)
2012-08-26 02:35:18 [SEVERE] 	at com.sk89q.worldedit.WorldEdit.getBlocks(WorldEdit.java:485)
2012-08-26 02:35:18 [SEVERE] 	at com.sk89q.worldedit.commands.RegionCommands.replace(RegionCommands.java:96)
2012-08-26 02:35:18 [SEVERE] 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
2012-08-26 02:35:18 [SEVERE] 	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
2012-08-26 02:35:18 [SEVERE] 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
2012-08-26 02:35:18 [SEVERE] 	at java.lang.reflect.Method.invoke(Unknown Source)
2012-08-26 02:35:18 [SEVERE] 	at com.sk89q.minecraft.util.commands.CommandsManager.invokeMethod(CommandsManager.java:522)
2012-08-26 02:35:18 [SEVERE] 	at com.sk89q.worldedit.WorldEdit$1.invokeMethod(WorldEdit.java:182)
2012-08-26 02:35:18 [SEVERE] 	at com.sk89q.worldedit.WorldEdit$1.invokeMethod(WorldEdit.java:113)
2012-08-26 02:35:18 [SEVERE] 	at com.sk89q.minecraft.util.commands.CommandsManager.executeMethod(CommandsManager.java:509)
2012-08-26 02:35:18 [SEVERE] 	at com.sk89q.minecraft.util.commands.CommandsManager.execute(CommandsManager.java:425)
2012-08-26 02:35:18 [SEVERE] 	at com.sk89q.worldedit.WorldEdit.handleCommand(WorldEdit.java:1263)
2012-08-26 02:35:18 [SEVERE] 	at com.sk89q.worldedit.bukkit.WorldEditPlugin.onCommand(WorldEditPlugin.java:197)
2012-08-26 02:35:18 [SEVERE] 	at com.sk89q.bukkit.util.DynamicPluginCommand.execute(DynamicPluginCommand.java:52)
2012-08-26 02:35:18 [SEVERE] 	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:168)
2012-08-26 02:35:18 [SEVERE] 	at org.bukkit.craftbukkit.CraftServer.dispatchCommand(CraftServer.java:601)
2012-08-26 02:35:18 [SEVERE] 	at net.minecraft.server.NetServerHandler.handleCommand(NetServerHandler.java:878)
2012-08-26 02:35:18 [SEVERE] 	at net.minecraft.server.NetServerHandler.chat(NetServerHandler.java:825)
2012-08-26 02:35:18 [SEVERE] 	at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:807)
2012-08-26 02:35:18 [SEVERE] 	at net.minecraft.server.Packet3Chat.handle(Packet3Chat.java:44)
2012-08-26 02:35:18 [SEVERE] 	at net.minecraft.server.NetworkManager.b(NetworkManager.java:276)
2012-08-26 02:35:18 [SEVERE] 	at net.minecraft.server.NetServerHandler.d(NetServerHandler.java:109)
2012-08-26 02:35:18 [SEVERE] 	at net.minecraft.server.ServerConnection.b(SourceFile:35)
2012-08-26 02:35:18 [SEVERE] 	at net.minecraft.server.DedicatedServerConnection.b(SourceFile:30)
2012-08-26 02:35:18 [SEVERE] 	at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:608)
2012-08-26 02:35:18 [SEVERE] 	at net.minecraft.server.DedicatedServer.q(DedicatedServer.java:244)
2012-08-26 02:35:18 [SEVERE] 	at net.minecraft.server.MinecraftServer.p(MinecraftServer.java:501)
2012-08-26 02:35:18 [SEVERE] 	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:419)
2012-08-26 02:35:18 [SEVERE] 	at net.minecraft.server.ThreadServerApplication.run(SourceFile:539)