When ever i try to create anything using world edit i get this 2012-12-24 12:22:01 [SEVERE]at com.sk89q.worldedit.bukkit.BukkitWorld.isValidBlockType(BukkitWorld.java:872) 2012-12-24 12:22:01 [SEVERE]at com.sk89q.worldedit.WorldEdit.getBlock(WorldEdit.java:414) 2012-12-24 12:22:01 [SEVERE]at com.sk89q.worldedit.WorldEdit.getBlock(WorldEdit.java:355) 2012-12-24 12:22:01 [SEVERE]at com.sk89q.worldedit.WorldEdit.getBlock(WorldEdit.java:549) 2012-12-24 12:22:01 [SEVERE]at com.sk89q.worldedit.WorldEdit.getBlockPattern(WorldEdit.java:608) 2012-12-24 12:22:01 [SEVERE]at com.sk89q.worldedit.commands.GenerationCommands.hpyramid(GenerationCommands.java:320) 2012-12-24 12:22:01 [SEVERE]at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 2012-12-24 12:22:01 [SEVERE]at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) 2012-12-24 12:22:01 [SEVERE]at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) 2012-12-24 12:22:01 [SEVERE]at java.lang.reflect.Method.invoke(Unknown Source) 2012-12-24 12:22:01 [SEVERE]at com.sk89q.minecraft.util.commands.CommandsManager.invokeMethod(CommandsManager.java:522) 2012-12-24 12:22:01 [SEVERE]at com.sk89q.worldedit.WorldEdit$1.invokeMethod(WorldEdit.java:241) 2012-12-24 12:22:01 [SEVERE]at com.sk89q.worldedit.WorldEdit$1.invokeMethod(WorldEdit.java:172) 2012-12-24 12:22:01 [SEVERE]at com.sk89q.minecraft.util.commands.CommandsManager.executeMethod(CommandsManager.java:509) 2012-12-24 12:22:01 [SEVERE]at com.sk89q.minecraft.util.commands.CommandsManager.execute(CommandsManager.java:425) 2012-12-24 12:22:01 [SEVERE]at com.sk89q.worldedit.WorldEdit.handleCommand(WorldEdit.java:1339) 2012-12-24 12:22:01 [SEVERE]at com.sk89q.worldedit.bukkit.WorldEditPlugin.onCommand(WorldEditPlugin.java:197) 2012-12-24 12:22:01 [SEVERE]at com.sk89q.bukkit.util.DynamicPluginCommand.execute(DynamicPluginCommand.java:52) 2012-12-24 12:22:01 [SEVERE]at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:186) 2012-12-24 12:22:01 [SEVERE]at org.bukkit.craftbukkit.v1_4_6.CraftServer.dispatchCommand(CraftServer.java:510) 2012-12-24 12:22:01 [SEVERE]at net.minecraft.server.v1_4_6.PlayerConnection.handleCommand(PlayerConnection.java:980) 2012-12-24 12:22:01 [SEVERE]at net.minecraft.server.v1_4_6.PlayerConnection.chat(PlayerConnection.java:898) 2012-12-24 12:22:01 [SEVERE]at net.minecraft.server.v1_4_6.PlayerConnection.a(PlayerConnection.java:853) 2012-12-24 12:22:01 [SEVERE]at net.minecraft.server.v1_4_6.Packet3Chat.handle(Packet3Chat.java:44) 2012-12-24 12:22:01 [SEVERE]at net.minecraft.server.v1_4_6.NetworkManager.b(NetworkManager.java:290) 2012-12-24 12:22:01 [SEVERE]at net.minecraft.server.v1_4_6.PlayerConnection.d(PlayerConnection.java:112) 2012-12-24 12:22:01 [SEVERE]at net.minecraft.server.v1_4_6.ServerConnection.b(SourceFile:39) 2012-12-24 12:22:01 [SEVERE]at net.minecraft.server.v1_4_6.DedicatedServerConnection.b(SourceFile:30) 2012-12-24 12:22:01 [SEVERE]at net.minecraft.server.v1_4_6.MinecraftServer.r(MinecraftServer.java:598) 2012-12-24 12:22:01 [SEVERE]at net.minecraft.server.v1_4_6.DedicatedServer.r(DedicatedServer.java:224) 2012-12-24 12:22:01 [SEVERE]at net.minecraft.server.v1_4_6.MinecraftServer.q(MinecraftServer.java:494) 2012-12-24 12:22:01 [SEVERE]at net.minecraft.server.v1_4_6.MinecraftServer.run(MinecraftServer.java:427) 2012-12-24 12:22:01 [SEVERE]at net.minecraft.server.v1_4_6.ThreadServerApplication.run(SourceFile:849) 2012-12-24 12:22:01 [SEVERE] Caused by: java.lang.ClassNotFoundException: net.minecraft.server.Block 2012-12-24 12:22:01 [SEVERE]at org.bukkit.plugin.java.PluginClassLoader.findClass0(PluginClassLoader.java:70) 2012-12-24 12:22:01 [SEVERE]at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:53) 2012-12-24 12:22:01 [SEVERE]at java.lang.ClassLoader.loadClass(Unknown Source) 2012-12-24 12:22:01 [SEVERE]at java.lang.ClassLoader.loadClass(Unknown Source)