[13:09:00] [Server thread/ERROR]: Could not pass event InventoryClickEvent to MyPet v2.2.7
org.bukkit.event.EventException
	at com.destroystokyo.paper.event.executor.MethodHandleEventExecutor.execute(MethodHandleEventExecutor.java:37) ~[patched_1.11.jar:git-Paper-950]
	at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78) ~[patched_1.11.jar:git-Paper-950]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[patched_1.11.jar:git-Paper-950]
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:517) [patched_1.11.jar:git-Paper-950]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:502) [patched_1.11.jar:git-Paper-950]
	at net.minecraft.server.v1_11_R1.PlayerConnection.a(PlayerConnection.java:1883) [patched_1.11.jar:git-Paper-950]
	at net.minecraft.server.v1_11_R1.PacketPlayInWindowClick.a(SourceFile:33) [patched_1.11.jar:git-Paper-950]
	at net.minecraft.server.v1_11_R1.PacketPlayInWindowClick.a(SourceFile:10) [patched_1.11.jar:git-Paper-950]
	at net.minecraft.server.v1_11_R1.PlayerConnectionUtils$1.run(SourceFile:13) [patched_1.11.jar:git-Paper-950]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_91]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_91]
	at net.minecraft.server.v1_11_R1.SystemUtils.a(SourceFile:46) [patched_1.11.jar:git-Paper-950]
	at net.minecraft.server.v1_11_R1.MinecraftServer.D(MinecraftServer.java:817) [patched_1.11.jar:git-Paper-950]
	at net.minecraft.server.v1_11_R1.DedicatedServer.D(DedicatedServer.java:403) [patched_1.11.jar:git-Paper-950]
	at net.minecraft.server.v1_11_R1.MinecraftServer.C(MinecraftServer.java:749) [patched_1.11.jar:git-Paper-950]
	at net.minecraft.server.v1_11_R1.MinecraftServer.run(MinecraftServer.java:648) [patched_1.11.jar:git-Paper-950]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_91]
Caused by: java.lang.NullPointerException: The validated object is null
	at org.apache.commons.lang3.Validate.notNull(Validate.java:222) ~[patched_1.11.jar:git-Paper-950]
	at org.apache.commons.lang3.Validate.notNull(Validate.java:203) ~[patched_1.11.jar:git-Paper-950]
	at net.minecraft.server.v1_11_R1.NonNullList.set(SourceFile:45) ~[patched_1.11.jar:git-Paper-950]
	at de.Keyle.MyPet.compat.v1_11_R1.util.inventory.CustomInventory.setItem(CustomInventory.java:95) ~[?:?]
	at de.Keyle.MyPet.compat.v1_11_R1.util.iconmenu.IconMenuInventory.update(IconMenuInventory.java:97) ~[?:?]
	at de.Keyle.MyPet.api.util.inventory.IconMenu.update(IconMenu.java:104) ~[?:?]
	at de.Keyle.MyPet.skill.skills.Beacon$1.onOptionClick(Beacon.java:266) ~[?:?]
	at de.Keyle.MyPet.api.util.inventory.IconMenu.on(IconMenu.java:139) ~[?:?]
	at com.destroystokyo.paper.event.executor.MethodHandleEventExecutor.execute(MethodHandleEventExecutor.java:35) ~[patched_1.11.jar:git-Paper-950]
	... 16 more