[19:49:30] [Server thread/INFO]: [Admin] [Founder/Owner]~Crisis[Thug][Null]: GEMS ERROR
[19:49:33] [Server thread/ERROR]: Could not pass event PlayerInteractEvent to PrisonGems v1.1.2
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:297) ~[craftbukkit.jar:git-Bukkit-0899683]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[craftbukkit.jar:git-Bukkit-0899683]
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:501) [craftbukkit.jar:git-Bukkit-0899683]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:486) [craftbukkit.jar:git-Bukkit-0899683]
	at org.bukkit.craftbukkit.v1_8_R1.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:209) [craftbukkit.jar:git-Bukkit-0899683]
	at net.minecraft.server.v1_8_R1.PlayerInteractManager.interact(PlayerInteractManager.java:462) [craftbukkit.jar:git-Bukkit-0899683]
	at net.minecraft.server.v1_8_R1.PlayerConnection.a(PlayerConnection.java:693) [craftbukkit.jar:git-Bukkit-0899683]
	at net.minecraft.server.v1_8_R1.PacketPlayInBlockPlace.a(PacketPlayInBlockPlace.java:50) [craftbukkit.jar:git-Bukkit-0899683]
	at net.minecraft.server.v1_8_R1.PacketPlayInBlockPlace.a(PacketPlayInBlockPlace.java:80) [craftbukkit.jar:git-Bukkit-0899683]
	at net.minecraft.server.v1_8_R1.PacketHandleTask.run(SourceFile:13) [craftbukkit.jar:git-Bukkit-0899683]
	at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.8.0_45]
	at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.8.0_45]
	at net.minecraft.server.v1_8_R1.MinecraftServer.z(MinecraftServer.java:643) [craftbukkit.jar:git-Bukkit-0899683]
	at net.minecraft.server.v1_8_R1.DedicatedServer.z(DedicatedServer.java:284) [craftbukkit.jar:git-Bukkit-0899683]
	at net.minecraft.server.v1_8_R1.MinecraftServer.y(MinecraftServer.java:598) [craftbukkit.jar:git-Bukkit-0899683]
	at net.minecraft.server.v1_8_R1.MinecraftServer.run(MinecraftServer.java:506) [craftbukkit.jar:git-Bukkit-0899683]
	at java.lang.Thread.run(Unknown Source) [?:1.8.0_45]
Caused by: java.lang.NullPointerException
	at org.bukkit.craftbukkit.v1_8_R1.inventory.CraftMetaItem.applyEnchantments(CraftMetaItem.java:420) ~[craftbukkit.jar:git-Bukkit-0899683]
	at org.bukkit.craftbukkit.v1_8_R1.inventory.CraftMetaItem.applyToItem(CraftMetaItem.java:382) ~[craftbukkit.jar:git-Bukkit-0899683]
	at org.bukkit.craftbukkit.v1_8_R1.inventory.CraftMetaEnchantedBook.applyToItem(CraftMetaEnchantedBook.java:55) ~[craftbukkit.jar:git-Bukkit-0899683]
	at org.bukkit.craftbukkit.v1_8_R1.inventory.CraftItemStack.setItemMeta(CraftItemStack.java:404) ~[craftbukkit.jar:git-Bukkit-0899683]
	at org.bukkit.craftbukkit.v1_8_R1.inventory.CraftItemStack.asNMSCopy(CraftItemStack.java:48) ~[craftbukkit.jar:git-Bukkit-0899683]
	at org.bukkit.craftbukkit.v1_8_R1.inventory.CraftInventory.setItem(CraftInventory.java:81) ~[craftbukkit.jar:git-Bukkit-0899683]
	at me.mrCookieSlime.CSCoreLibPlugin.general.Inventory.ChestMenu.build(ChestMenu.java:121) ~[?:?]
	at me.mrCookieSlime.PrisonGems.UpgradeManager.showPreview(UpgradeManager.java:188) ~[?:?]
	at me.mrCookieSlime.PrisonGems.PlayerListener.onInteract(PlayerListener.java:73) ~[?:?]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_45]
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_45]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_45]
	at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_45]
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:295) ~[craftbukkit.jar:git-Bukkit-0899683]
	... 16 more
[19:49:45] [Server thread/INFO]: [Admin] [Founder/Owner]~Crisis[Thug][Null]: CHAT ERROR