[07:11:15 ERROR]: Could not pass event InventoryClickEvent to CrackShotPlus v0.45
org.bukkit.event.EventException
>       at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:306) ~[spigot.jar:git-Spigot-570526c-c1b529e]
>       at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot.jar:git-Spigot-570526c-c1b529e]
>       at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [spigot.jar:git-Spigot-570526c-c1b529e]
>       at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [spigot.jar:git-Spigot-570526c-c1b529e]
>       at net.minecraft.server.v1_10_R1.PlayerConnection.a(PlayerConnection.java:1861) [spigot.jar:git-Spigot-570526c-c1b529e]
>       at net.minecraft.server.v1_10_R1.PacketPlayInWindowClick.a(SourceFile:33) [spigot.jar:git-Spigot-570526c-c1b529e]
>       at net.minecraft.server.v1_10_R1.PacketPlayInWindowClick.a(SourceFile:10) [spigot.jar:git-Spigot-570526c-c1b529e]
>       at net.minecraft.server.v1_10_R1.PlayerConnectionUtils$1.run(SourceFile:13) [spigot.jar:git-Spigot-570526c-c1b529e]
>       at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_102]
>       at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_102]
>       at net.minecraft.server.v1_10_R1.SystemUtils.a(SourceFile:45) [spigot.jar:git-Spigot-570526c-c1b529e]
>       at net.minecraft.server.v1_10_R1.MinecraftServer.D(MinecraftServer.java:732) [spigot.jar:git-Spigot-570526c-c1b529e]
>       at net.minecraft.server.v1_10_R1.DedicatedServer.D(DedicatedServer.java:400) [spigot.jar:git-Spigot-570526c-c1b529e]
>       at net.minecraft.server.v1_10_R1.MinecraftServer.C(MinecraftServer.java:668) [spigot.jar:git-Spigot-570526c-c1b529e]
>       at net.minecraft.server.v1_10_R1.MinecraftServer.run(MinecraftServer.java:567) [spigot.jar:git-Spigot-570526c-c1b529e]
>       at java.lang.Thread.run(Thread.java:745) [?:1.8.0_102]
Caused by: java.lang.NullPointerException
>       at me.DeeCaaD.CrackShotPlus.wAS.setSkin(wAS.java:783) ~[?:?]
>       at me.DeeCaaD.CrackShotPlus.weaponAttachmentsAndSkins.onInventory(weaponAttachmentsAndSkins.java:34) ~[?:?]
>       at sun.reflect.GeneratedMethodAccessor192.invoke(Unknown Source) ~[?:?]
>       at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_102]
>       at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_102]
>       at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:302) ~[spigot.jar:git-Spigot-570526c-c1b529e]
>       ... 15 more