WORLDEDIT-2477 - Reported by Hugo

13:23:56 [SEVERE] java.lang.NoClassDefFoundError: net/minecraft/server/Block
13:23:56 [SEVERE] at com.sk89q.worldedit.bukkit.BukkitWorld.isValidBlockType(BukkitWorld.java:872)
13:23:56 [SEVERE] at com.sk89q.worldedit.WorldEdit.getBlock(WorldEdit.java:414)
13:23:56 [SEVERE] at com.sk89q.worldedit.WorldEdit.getBlock(WorldEdit.java:355)
13:23:56 [SEVERE] at com.sk89q.worldedit.WorldEdit.getBlock(WorldEdit.java:549)
13:23:56 [SEVERE] at com.sk89q.worldedit.WorldEdit.getBlockPattern(WorldEdit.java:608)
13:23:56 [SEVERE] at com.sk89q.worldedit.commands.RegionCommands.set(RegionCommands.java:74)
13:23:56 [SEVERE] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
13:23:56 [SEVERE] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
13:23:56 [SEVERE] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
13:23:56 [SEVERE] at java.lang.reflect.Method.invoke(Method.java:597)
13:23:56 [SEVERE] at com.sk89q.minecraft.util.commands.CommandsManager.invokeMethod(CommandsManager.java:522)
13:23:56 [SEVERE] at com.sk89q.worldedit.WorldEdit$1.invokeMethod(WorldEdit.java:241)
13:23:56 [SEVERE] at com.sk89q.worldedit.WorldEdit$1.invokeMethod(WorldEdit.java:172)
13:23:56 [SEVERE] at com.sk89q.minecraft.util.commands.CommandsManager.executeMethod(CommandsManager.java:509)
13:23:56 [SEVERE] at com.sk89q.minecraft.util.commands.CommandsManager.execute(CommandsManager.java:425)
13:23:56 [SEVERE] at com.sk89q.worldedit.WorldEdit.handleCommand(WorldEdit.java:1339)
13:23:56 [SEVERE] at com.sk89q.worldedit.bukkit.WorldEditPlugin.onCommand(WorldEditPlugin.java:197)
13:23:56 [SEVERE] at com.sk89q.bukkit.util.DynamicPluginCommand.execute(DynamicPluginCommand.java:52)
13:23:56 [SEVERE] at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:186)
13:23:56 [SEVERE] at org.bukkit.craftbukkit.v1_4_5.CraftServer.dispatchCommand(CraftServer.java:504)
13:23:56 [SEVERE] at net.minecraft.server.v1_4_5.NetServerHandler.handleCommand(NetServerHandler.java:988)
13:23:56 [SEVERE] at net.minecraft.server.v1_4_5.NetServerHandler.chat(NetServerHandler.java:906)
13:23:56 [SEVERE] at net.minecraft.server.v1_4_5.NetServerHandler.a(NetServerHandler.java:861)
13:23:56 [SEVERE] at net.minecraft.server.v1_4_5.Packet3Chat.handle(Packet3Chat.java:44)
13:23:56 [SEVERE] at net.minecraft.server.v1_4_5.NetworkManager.b(NetworkManager.java:290)
13:23:56 [SEVERE] at net.minecraft.server.v1_4_5.NetServerHandler.d(NetServerHandler.java:113)
13:23:56 [SEVERE] at net.minecraft.server.v1_4_5.ServerConnection.b(SourceFile:39)
13:23:56 [SEVERE] at net.minecraft.server.v1_4_5.DedicatedServerConnection.b(SourceFile:30)
13:23:56 [SEVERE] at net.minecraft.server.v1_4_5.MinecraftServer.r(MinecraftServer.java:597)
13:23:56 [SEVERE] at net.minecraft.server.v1_4_5.DedicatedServer.r(DedicatedServer.java:222)
13:23:56 [SEVERE] at net.minecraft.server.v1_4_5.MinecraftServer.q(MinecraftServer.java:493)
13:23:56 [SEVERE] at net.minecraft.server.v1_4_5.MinecraftServer.run(MinecraftServer.java:426)
13:23:56 [SEVERE] at net.minecraft.server.v1_4_5.ThreadServerApplication.run(SourceFile:856)
13:23:56 [SEVERE] Caused by: java.lang.ClassNotFoundException: net.minecraft.server.Block
13:23:56 [SEVERE] at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:34)
13:23:56 [SEVERE] at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:29)
13:23:56 [SEVERE] at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
13:23:56 [SEVERE] at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
13:23:57 [SEVERE] ... 33 more