2013-11-29 19:12:21 [INFO] [All-U-Want] loaded
2013-11-29 19:12:21 [SEVERE] org/bukkit/craftbukkit/v1_6_R2/inventory/CraftItemStack initializing All-U-Want v1 (Is it up to date?)
java.lang.NoClassDefFoundError: org/bukkit/craftbukkit/v1_6_R2/inventory/CraftItemStack
	at person.mister.alluwant.NBTMod.onLoad(NBTMod.java:64)
	at org.bukkit.craftbukkit.v1_6_R3.CraftServer.loadPlugins(CraftServer.java:235)
	at cpw.mods.fml.common.event.FMLServerAboutToStartEvent.<init>(FMLServerAboutToStartEvent.java:29)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
	at java.lang.reflect.Constructor.newInstance(Unknown Source)
	at cpw.mods.fml.common.LoaderState.getEvent(LoaderState.java:84)
	at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:112)
	at cpw.mods.fml.common.Loader.serverAboutToStart(Loader.java:817)
	at cpw.mods.fml.common.FMLCommonHandler.handleServerAboutToStart(FMLCommonHandler.java:309)
	at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:219)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:633)
	at net.minecraft.server.ThreadMinecraftServer.run(ThreadMinecraftServer.java:16)
Caused by: java.lang.ClassNotFoundException: org.bukkit.craftbukkit.v1_6_R2.inventory.CraftItemStack
	at org.bukkit.plugin.java.PluginClassLoader.findClass0(PluginClassLoader.java:441)
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:234)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	... 14 more