[19:45:08 ERROR]: Could not pass event InventoryClickEvent to SkyWars v1.3.8.16
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:310) ~[Spigot.jar:git-Spigot-db6de12-d3e0b6f]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[Spigot.jar:git-Spigot-db6de12-d3e0b6f]
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [Spigot.jar:git-Spigot-db6de12-d3e0b6f]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [Spigot.jar:git-Spigot-db6de12-d3e0b6f]
	at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:1630) [Spigot.jar:git-Spigot-db6de12-d3e0b6f]
	at net.minecraft.server.v1_8_R3.PacketPlayInWindowClick.a(SourceFile:31) [Spigot.jar:git-Spigot-db6de12-d3e0b6f]
	at net.minecraft.server.v1_8_R3.PacketPlayInWindowClick.a(SourceFile:9) [Spigot.jar:git-Spigot-db6de12-d3e0b6f]
	at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13) [Spigot.jar:git-Spigot-db6de12-d3e0b6f]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_72]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_72]
	at net.minecraft.server.v1_8_R3.SystemUtils.a(SourceFile:44) [Spigot.jar:git-Spigot-db6de12-d3e0b6f]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:715) [Spigot.jar:git-Spigot-db6de12-d3e0b6f]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:374) [Spigot.jar:git-Spigot-db6de12-d3e0b6f]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:654) [Spigot.jar:git-Spigot-db6de12-d3e0b6f]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:557) [Spigot.jar:git-Spigot-db6de12-d3e0b6f]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_72]
Caused by: java.lang.NullPointerException
	at ak.CookLoco.SkyWars.utils.economy.VaultUtils.getCoins(VaultUtils.java:14) ~[?:?]
	at ak.CookLoco.SkyWars.utils.economy.SkyEconomy.getCoins(SkyEconomy.java:23) ~[?:?]
	at ak.CookLoco.SkyWars.player.SkyPlayer.getCoins(SkyPlayer.java:377) ~[?:?]
	at ak.CookLoco.SkyWars.menus.KitsMenu.onItemClick(KitsMenu.java:64) ~[?:?]
	at ak.CookLoco.SkyWars.listener.InteractListener.onInventoryClick(InteractListener.java:102) ~[?:?]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_72]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_72]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_72]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_72]
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:306) ~[Spigot.jar:git-Spigot-db6de12-d3e0b6f]
	... 15 more