MCjobs

18:20:20 [INFO] [PLAYER_COMMAND] captaino88: /home
18:20:29 [SEVERE] Could not pass event PrepareItemCraftEvent to mcjobs
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:304)
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:482)
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:467)
        at org.bukkit.craftbukkit.event.CraftEventFactory.callPreCraftEvent(CraftEventFactory.java:504)
        at net.minecraft.server.CraftingManager.craft(CraftingManager.java:252)
        at eloraam.base.ContainerAdvBench.a(ContainerAdvBench.java:78)
        at eloraam.base.InventorySubCraft.setItem(InventorySubCraft.java:78)
        at net.minecraft.server.Slot.set(Slot.java:51)
        at net.minecraft.server.Container.clickItem(Container.java:204)
        at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:1101)
        at net.minecraft.server.Packet102WindowClick.handle(SourceFile:28)
        at net.minecraft.server.NetworkManager.b(NetworkManager.java:234)
        at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:119)
        at net.minecraft.server.NetworkListenThread.a(NetworkListenThread.java:83)
        at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:579)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:467)
        at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)
Caused by: java.lang.NullPointerException
        at org.bukkit.event.inventory.InventoryEvent.getViewers(InventoryEvent.java:38)
        at com.dmgkz.mcjobs.listeners.Crafting.preCraftEvent(Crafting.java:86)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:302)
        ... 17 more
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