[18:34:28] [Server thread/ERROR]: Could not pass event PlayerInteractEvent to Crates v2.0
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:305) ~[spigot_1.8.3_26dfd01-ad2f806.jar:git-Spigot-26dfd01-ad2f806]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot_1.8.3_26dfd01-ad2f806.jar:git-Spigot-26dfd01-ad2f806]
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [spigot_1.8.3_26dfd01-ad2f806.jar:git-Spigot-26dfd01-ad2f806]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [spigot_1.8.3_26dfd01-ad2f806.jar:git-Spigot-26dfd01-ad2f806]
	at org.bukkit.craftbukkit.v1_8_R2.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:226) [spigot_1.8.3_26dfd01-ad2f806.jar:git-Spigot-26dfd01-ad2f806]
	at org.bukkit.craftbukkit.v1_8_R2.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:193) [spigot_1.8.3_26dfd01-ad2f806.jar:git-Spigot-26dfd01-ad2f806]
	at net.minecraft.server.v1_8_R2.PlayerInteractManager.a(PlayerInteractManager.java:107) [spigot_1.8.3_26dfd01-ad2f806.jar:git-Spigot-26dfd01-ad2f806]
	at net.minecraft.server.v1_8_R2.PlayerConnection.a(PlayerConnection.java:598) [spigot_1.8.3_26dfd01-ad2f806.jar:git-Spigot-26dfd01-ad2f806]
	at net.minecraft.server.v1_8_R2.PacketPlayInBlockDig.a(SourceFile:40) [spigot_1.8.3_26dfd01-ad2f806.jar:git-Spigot-26dfd01-ad2f806]
	at net.minecraft.server.v1_8_R2.PacketPlayInBlockDig.a(SourceFile:10) [spigot_1.8.3_26dfd01-ad2f806.jar:git-Spigot-26dfd01-ad2f806]
	at net.minecraft.server.v1_8_R2.PlayerConnectionUtils$1.run(SourceFile:13) [spigot_1.8.3_26dfd01-ad2f806.jar:git-Spigot-26dfd01-ad2f806]
	at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.7.0_51]
	at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.7.0_51]
	at net.minecraft.server.v1_8_R2.SystemUtils.a(SourceFile:60) [spigot_1.8.3_26dfd01-ad2f806.jar:git-Spigot-26dfd01-ad2f806]
	at net.minecraft.server.v1_8_R2.MinecraftServer.A(MinecraftServer.java:710) [spigot_1.8.3_26dfd01-ad2f806.jar:git-Spigot-26dfd01-ad2f806]
	at net.minecraft.server.v1_8_R2.DedicatedServer.A(DedicatedServer.java:368) [spigot_1.8.3_26dfd01-ad2f806.jar:git-Spigot-26dfd01-ad2f806]
	at net.minecraft.server.v1_8_R2.MinecraftServer.z(MinecraftServer.java:651) [spigot_1.8.3_26dfd01-ad2f806.jar:git-Spigot-26dfd01-ad2f806]
	at net.minecraft.server.v1_8_R2.MinecraftServer.run(MinecraftServer.java:554) [spigot_1.8.3_26dfd01-ad2f806.jar:git-Spigot-26dfd01-ad2f806]
	at java.lang.Thread.run(Unknown Source) [?:1.7.0_51]
Caused by: java.lang.NullPointerException
	at org.bukkit.inventory.ItemStack.<init>(ItemStack.java:68) ~[spigot_1.8.3_26dfd01-ad2f806.jar:git-Spigot-26dfd01-ad2f806]
	at me.venom.crates.PListener.inventorySet(PListener.java:46) ~[?:?]
	at me.venom.crates.PListener.onChestInteract(PListener.java:179) ~[?:?]
	at sun.reflect.GeneratedMethodAccessor85.invoke(Unknown Source) ~[?:?]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_51]
	at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.7.0_51]
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:301) ~[spigot_1.8.3_26dfd01-ad2f806.jar:git-Spigot-26dfd01-ad2f806]
	... 18 more