2012-02-10 12:57:25 [SEVERE] Error occurred while enabling WorldEdit v5.1.1 (Is it up to date?): com.sk89q.worldedit.ServerInterface.onCommandRegistration(Ljava/util/List;)V
java.lang.NoSuchMethodError: com.sk89q.worldedit.ServerInterface.onCommandRegistration(Ljava/util/List;)V
	at com.sk89q.worldedit.WorldEdit.<init>(WorldEdit.java:188)
	at com.sk89q.worldedit.bukkit.WorldEditPlugin.onEnable(WorldEditPlugin.java:101)
	at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:231)
	at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:1057)
	at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:379)
	at org.bukkit.craftbukkit.CraftServer.loadPlugin(CraftServer.java:191)
	at org.bukkit.craftbukkit.CraftServer.enablePlugins(CraftServer.java:174)
	at net.minecraft.server.MinecraftServer.t(MinecraftServer.java:357)
	at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:344)
	at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:175)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:408)
	at net.minecraft.server.ThreadServerApplication.run(SourceFile:465)