WORLDEDIT-2473 - Reported by SpaceMan0

I have the newest WorldEdit from Jenkins, and I'm getting this error every time I try to do //set or //stack
(known commands)
http://build.sk89q.com/job/WorldEdit/

2012-12-15 23:42:43 [WARNING] WorldEdit: Failed to do NMS access for direct NBT data copy java.lang.NoClassDefFoundError: net/minecraft/server/NBTBase at com.sk89q.worldedit.bukkit.BukkitWorld.getBlock(BukkitWorld.java:989) at com.sk89q.worldedit.EditSession.rawGetBlock(EditSession.java:403) at com.sk89q.worldedit.EditSession.getBlock(EditSession.java:357) at com.sk89q.worldedit.EditSession.stackCuboidRegion(EditSession.java:1788) at com.sk89q.worldedit.commands.RegionCommands.stack(RegionCommands.java:324) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:601) at com.sk89q.minecraft.util.commands.CommandsManager.invokeMethod(CommandsManager.java:522) at com.sk89q.worldedit.WorldEdit$1.invokeMethod(WorldEdit.java:240) at com.sk89q.worldedit.WorldEdit$1.invokeMethod(WorldEdit.java:171) at com.sk89q.minecraft.util.commands.CommandsManager.executeMethod(CommandsManager.java:509) at com.sk89q.minecraft.util.commands.CommandsManager.execute(CommandsManager.java:425) at com.sk89q.worldedit.WorldEdit.handleCommand(WorldEdit.java:1338) at com.sk89q.worldedit.bukkit.WorldEditPlugin.onCommand(WorldEditPlugin.java:197) at com.sk89q.bukkit.util.DynamicPluginCommand.execute(DynamicPluginCommand.java:52) at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:186) at org.bukkit.craftbukkit.v1_4_5.CraftServer.dispatchCommand(CraftServer.java:502) at net.minecraft.server.v1_4_5.NetServerHandler.handleCommand(NetServerHandler.java:988) at net.minecraft.server.v1_4_5.NetServerHandler.chat(NetServerHandler.java:906) at net.minecraft.server.v1_4_5.NetServerHandler.a(NetServerHandler.java:861) at net.minecraft.server.v1_4_5.Packet3Chat.handle(Packet3Chat.java:44) at net.minecraft.server.v1_4_5.NetworkManager.b(NetworkManager.java:290) at net.minecraft.server.v1_4_5.NetServerHandler.d(NetServerHandler.java:113) at net.minecraft.server.v1_4_5.ServerConnection.b(SourceFile:39) at net.minecraft.server.v1_4_5.DedicatedServerConnection.b(SourceFile:30) at net.minecraft.server.v1_4_5.MinecraftServer.r(MinecraftServer.java:597) at net.minecraft.server.v1_4_5.DedicatedServer.r(DedicatedServer.java:222) at net.minecraft.server.v1_4_5.MinecraftServer.q(MinecraftServer.java:493) at net.minecraft.server.v1_4_5.MinecraftServer.run(MinecraftServer.java:426) at net.minecraft.server.v1_4_5.ThreadServerApplication.run(SourceFile:856) Caused by: java.lang.ClassNotFoundException: net.minecraft.server.NBTBase at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:34) at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:29) at java.lang.ClassLoader.loadClass(ClassLoader.java:423) at java.lang.ClassLoader.loadClass(ClassLoader.java:356) ... 32 more 2012-12-15 23:42:43 [SEVERE] java.lang.NoClassDefFoundError: net/minecraft/server/Block 2012-12-15 23:42:43 [SEVERE] at com.sk89q.worldedit.bukkit.BukkitWorld.isValidBlockType(BukkitWorld.java:872) 2012-12-15 23:42:43 [SEVERE] at com.sk89q.worldedit.EditSession.rawSetBlock(EditSession.java:184) 2012-12-15 23:42:43 [SEVERE] at com.sk89q.worldedit.EditSession.flushQueue(EditSession.java:677) 2012-12-15 23:42:43 [SEVERE] at com.sk89q.worldedit.WorldEdit.handleCommand(WorldEdit.java:1353) 2012-12-15 23:42:43 [SEVERE] at com.sk89q.worldedit.bukkit.WorldEditPlugin.onCommand(WorldEditPlugin.java:197) 2012-12-15 23:42:43 [SEVERE] at com.sk89q.bukkit.util.DynamicPluginCommand.execute(DynamicPluginCommand.java:52) 2012-12-15 23:42:43 [SEVERE] at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:186) 2012-12-15 23:42:43 [SEVERE] at org.bukkit.craftbukkit.v1_4_5.CraftServer.dispatchCommand(CraftServer.java:502) 2012-12-15 23:42:43 [SEVERE] at net.minecraft.server.v1_4_5.NetServerHandler.handleCommand(NetServerHandler.java:988) 2012-12-15 23:42:43 [SEVERE] at net.minecraft.server.v1_4_5.NetServerHandler.chat(NetServerHandler.java:906) 2012-12-15 23:42:43 [SEVERE] at net.minecraft.server.v1_4_5.NetServerHandler.a(NetServerHandler.java:861) 2012-12-15 23:42:43 [SEVERE] at net.minecraft.server.v1_4_5.Packet3Chat.handle(Packet3Chat.java:44) 2012-12-15 23:42:43 [SEVERE] at net.minecraft.server.v1_4_5.NetworkManager.b(NetworkManager.java:290) 2012-12-15 23:42:43 [SEVERE] at net.minecraft.server.v1_4_5.NetServerHandler.d(NetServerHandler.java:113) 2012-12-15 23:42:43 [SEVERE] at net.minecraft.server.v1_4_5.ServerConnection.b(SourceFile:39) 2012-12-15 23:42:43 [SEVERE] at net.minecraft.server.v1_4_5.DedicatedServerConnection.b(SourceFile:30) 2012-12-15 23:42:43 [SEVERE] at net.minecraft.server.v1_4_5.MinecraftServer.r(MinecraftServer.java:597) 2012-12-15 23:42:43 [SEVERE] at net.minecraft.server.v1_4_5.DedicatedServer.r(DedicatedServer.java:222) 2012-12-15 23:42:43 [SEVERE] at net.minecraft.server.v1_4_5.MinecraftServer.q(MinecraftServer.java:493) 2012-12-15 23:42:43 [SEVERE] at net.minecraft.server.v1_4_5.MinecraftServer.run(MinecraftServer.java:426) 2012-12-15 23:42:43 [SEVERE] at net.minecraft.server.v1_4_5.ThreadServerApplication.run(SourceFile:856) 2012-12-15 23:42:43 [SEVERE] Caused by: java.lang.ClassNotFoundException: net.minecraft.server.Block 2012-12-15 23:42:43 [SEVERE] at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:34) 2012-12-15 23:42:43 [SEVERE] at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:29) 2012-12-15 23:42:43 [SEVERE] at java.lang.ClassLoader.loadClass(ClassLoader.java:423) 2012-12-15 23:42:43 [SEVERE] at java.lang.ClassLoader.loadClass(ClassLoader.java:356) 2012-12-15 23:42:43 [SEVERE] ... 21 more

If you could help me that would be great, thanks.

Comment by SpaceMan0

WorldEdit: Build #1308-fcaafe0 (http://build.sk89q.com/job/WorldEdit/1308/)
Bukkit: Build #2531 (http://dl.bukkit.org/downloads/craftbukkit/)

Edit:
Bukkit: Build #2532 Still containing the same error.
In-game Error: java.lang.NoClassDefFoundError: new/minecraft/server/Block