19:19:24 [SEVERE] Could not pass event InventoryClickEvent to NoItem v3.0.7-SNAPSHOT
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:437)
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
        at org.bukkit.plugin.TimedRegisteredListener.callEvent(TimedRegisteredListener.java:31)
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:479)
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:464)
        at net.minecraft.network.NetServerHandler.func_72523_a(NetServerHandler.java:2088)
        at net.minecraft.network.packet.Packet102WindowClick.func_73279_a(Packet102WindowClick.java:46)
        at net.minecraft.network.TcpConnection.func_74428_b(TcpConnection.java:470)
        at net.minecraft.network.NetServerHandler.func_72570_d(NetServerHandler.java:233)
        at net.minecraft.network.NetworkListenThread.func_71747_b(NetworkListenThread.java:54)
        at net.minecraft.server.dedicated.DedicatedServerListenThread.func_71747_b(DedicatedServerListenThread.java:34)
        at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:914)
        at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:330)
        at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:781)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:663)
        at net.minecraft.server.ThreadMinecraftServer.run(ThreadMinecraftServer.java:16)
Caused by: java.lang.NoClassDefFoundError: org/bukkit/craftbukkit/v1_6_R2/inventory/CraftItemStack
        at net.worldoftomorrow.noitem.events.Handlers.isFuel(Handlers.java:572)
        at net.worldoftomorrow.noitem.events.Handlers.handleNoCookInvClick(Handlers.java:466)
        at net.worldoftomorrow.noitem.events.Listeners.onInventoryClick(Listeners.java:68)
        at sun.reflect.GeneratedMethodAccessor99.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:606)
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:435)
        ... 15 more
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(ClassLoader.java:425)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
        ... 22 more