21:33:02 [SEVERE] Could not pass event org.getspout.spoutapi.event.inventory.InventoryCloseEvent to ZeenixPlugin
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$103.execute(JavaPluginLoader.java:1026)
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:57)
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:453)
        at org.getspout.spout.SpoutNetServerHandler.a(SpoutNetServerHandler.java:288)
        at net.minecraft.server.Packet101CloseWindow.handle(SourceFile:16)
        at net.minecraft.server.NetworkManager.b(NetworkManager.java:226)
        at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:100)
        at org.getspout.spout.SpoutNetServerHandler.a(SpoutNetServerHandler.java:561)
        at net.minecraft.server.NetworkListenThread.a(NetworkListenThread.java:78)
        at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:537)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:435)
        at net.minecraft.server.ThreadServerApplication.run(SourceFile:465)
Caused by: java.lang.reflect.InvocationTargetException
        at sun.reflect.GeneratedMethodAccessor129.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:616)
        at org.bukkit.plugin.java.JavaPluginLoader$103.execute(JavaPluginLoader.java:1024)
        ... 11 more
Caused by: java.lang.AbstractMethodError
        at org.bukkit.craftbukkit.inventory.CraftInventory.getContents(CraftInventory.java:35)
        at net.TheDgtl.ZeenixPlugin.ZeenixPlugin$iListener.onInventoryClose(ZeenixPlugin.java:317)
        ... 15 more