Hello, I installed NoItem on my Server and when I either tried brewing something or smelting something I would get this error. Code: [03:54:43 ERROR]: Could not pass event InventoryClickEvent to NoItem v3.1.0 org.bukkit.event.EventException at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.ja va:294) ~[craftbukkit.jar:git-Bukkit-1.7.9-R0.2-11-g3fd9db2-b3098jnks] at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.jav a:62) ~[craftbukkit.jar:git-Bukkit-1.7.9-R0.2-11-g3fd9db2-b3098jnks] at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.j ava:501) [craftbukkit.jar:git-Bukkit-1.7.9-R0.2-11-g3fd9db2-b3098jnks] at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.j ava:486) [craftbukkit.jar:git-Bukkit-1.7.9-R0.2-11-g3fd9db2-b3098jnks] at net.minecraft.server.v1_7_R3.PlayerConnection.a(PlayerConnection.java :1364) [craftbukkit.jar:git-Bukkit-1.7.9-R0.2-11-g3fd9db2-b3098jnks] at net.minecraft.server.v1_7_R3.PacketPlayInWindowClick.a(SourceFile:32) [craftbukkit.jar:git-Bukkit-1.7.9-R0.2-11-g3fd9db2-b3098jnks] at net.minecraft.server.v1_7_R3.PacketPlayInWindowClick.handle(SourceFil e:10) [craftbukkit.jar:git-Bukkit-1.7.9-R0.2-11-g3fd9db2-b3098jnks] at net.minecraft.server.v1_7_R3.NetworkManager.a(NetworkManager.java:157 ) [craftbukkit.jar:git-Bukkit-1.7.9-R0.2-11-g3fd9db2-b3098jnks] at net.minecraft.server.v1_7_R3.ServerConnection.c(SourceFile:134) [craf tbukkit.jar:git-Bukkit-1.7.9-R0.2-11-g3fd9db2-b3098jnks] at net.minecraft.server.v1_7_R3.MinecraftServer.v(MinecraftServer.java:6 67) [craftbukkit.jar:git-Bukkit-1.7.9-R0.2-11-g3fd9db2-b3098jnks] at net.minecraft.server.v1_7_R3.DedicatedServer.v(DedicatedServer.java:2 60) [craftbukkit.jar:git-Bukkit-1.7.9-R0.2-11-g3fd9db2-b3098jnks] at net.minecraft.server.v1_7_R3.MinecraftServer.u(MinecraftServer.java:5 58) [craftbukkit.jar:git-Bukkit-1.7.9-R0.2-11-g3fd9db2-b3098jnks] at net.minecraft.server.v1_7_R3.MinecraftServer.run(MinecraftServer.java :469) [craftbukkit.jar:git-Bukkit-1.7.9-R0.2-11-g3fd9db2-b3098jnks] at net.minecraft.server.v1_7_R3.ThreadServerApplication.run(SourceFile:6 28) [craftbukkit.jar:git-Bukkit-1.7.9-R0.2-11-g3fd9db2-b3098jnks] Caused by: java.lang.NoClassDefFoundError: org/bukkit/craftbukkit/v1_7_R1/invent ory/CraftItemStack at net.worldoftomorrow.noitem.events.Handlers.isFuel(Handlers.java:576) ~[?:?] at net.worldoftomorrow.noitem.events.Handlers.handleNoCookInvClick(Handl ers.java:428) ~[?:?] at net.worldoftomorrow.noitem.events.Listeners.onInventoryClick(Listener s.java:69) ~[?:?] at sun.reflect.GeneratedMethodAccessor100.invoke(Unknown Source) ~[?:?] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1 .7.0_60] at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.7.0_60] at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.ja va:292) ~[craftbukkit.jar:git-Bukkit-1.7.9-R0.2-11-g3fd9db2-b3098jnks] ... 13 more Caused by: java.lang.ClassNotFoundException: org.bukkit.craftbukkit.v1_7_R1.inve ntory.CraftItemStack at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader. java:67) ~[craftbukkit.jar:git-Bukkit-1.7.9-R0.2-11-g3fd9db2-b3098jnks] at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader. java:62) ~[craftbukkit.jar:git-Bukkit-1.7.9-R0.2-11-g3fd9db2-b3098jnks] at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.7.0_60] at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.7.0_60] at net.worldoftomorrow.noitem.events.Handlers.isFuel(Handlers.java:576) ~[?:?] at net.worldoftomorrow.noitem.events.Handlers.handleNoCookInvClick(Handl ers.java:428) ~[?:?] at net.worldoftomorrow.noitem.events.Listeners.onInventoryClick(Listener s.java:69) ~[?:?] at sun.reflect.GeneratedMethodAccessor100.invoke(Unknown Source) ~[?:?] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1 .7.0_60] at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.7.0_60] at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.ja va:292) ~[craftbukkit.jar:git-Bukkit-1.7.9-R0.2-11-g3fd9db2-b3098jnks] ... 13 more If anyone can help, I would appreciate it. Thanks, ~Toast