[22:11:33 INFO]: GuiLLoTe issued server command: /ranks
[22:11:35 ERROR]: Could not pass event InventoryClickEvent to CustomGUI v2.2.3
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:306) ~[spigot-1.11.2.jar:git-Spigot-96235ab-257d6cd]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot-1.11.2.jar:git-Spigot-96235ab-257d6cd]
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [spigot-1.11.2.jar:git-Spigot-96235ab-257d6cd]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [spigot-1.11.2.jar:git-Spigot-96235ab-257d6cd]
        at net.minecraft.server.v1_11_R1.PlayerConnection.a(PlayerConnection.java:1840) [spigot-1.11.2.jar:git-Spigot-96235ab-257d6cd]
        at net.minecraft.server.v1_11_R1.PacketPlayInWindowClick.a(SourceFile:33) [spigot-1.11.2.jar:git-Spigot-96235ab-257d6cd]
        at net.minecraft.server.v1_11_R1.PacketPlayInWindowClick.a(SourceFile:10) [spigot-1.11.2.jar:git-Spigot-96235ab-257d6cd]
        at net.minecraft.server.v1_11_R1.PlayerConnectionUtils$1.run(SourceFile:13) [spigot-1.11.2.jar:git-Spigot-96235ab-257d6cd]
        at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.8.0_121]
        at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.8.0_121]
        at net.minecraft.server.v1_11_R1.SystemUtils.a(SourceFile:46) [spigot-1.11.2.jar:git-Spigot-96235ab-257d6cd]
        at net.minecraft.server.v1_11_R1.MinecraftServer.D(MinecraftServer.java:747) [spigot-1.11.2.jar:git-Spigot-96235ab-257d6cd]
        at net.minecraft.server.v1_11_R1.DedicatedServer.D(DedicatedServer.java:399) [spigot-1.11.2.jar:git-Spigot-96235ab-257d6cd]
        at net.minecraft.server.v1_11_R1.MinecraftServer.C(MinecraftServer.java:678) [spigot-1.11.2.jar:git-Spigot-96235ab-257d6cd]
        at net.minecraft.server.v1_11_R1.MinecraftServer.run(MinecraftServer.java:576) [spigot-1.11.2.jar:git-Spigot-96235ab-257d6cd]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_121]
Caused by: java.lang.IllegalArgumentException: No enum constant org.bukkit.Sound.ITEM_PICKUP
        at java.lang.Enum.valueOf(Unknown Source) ~[?:1.8.0_121]
        at org.bukkit.Sound.valueOf(Sound.java:1) ~[spigot-1.11.2.jar:git-Spigot-96235ab-257d6cd]
        at me.jacobculley.customgui.EventCheck.inventoryClick(EventCheck.java:298) ~[?:?]
        at me.jacobculley.customgui.Events.InventoryClick.onInventoryClick(InventoryClick.java:127) ~[?:?]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_121]
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_121]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_121]
        at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_121]
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:302) ~[spigot-1.11.2.jar:git-Spigot-96235ab-257d6cd]
        ... 15 more