[19:25:24] [Server thread/ERROR]: Could not pass event InventoryClickEvent to EliteMobs v7.0.17.2
org.bukkit.event.EventException: null
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:320) ~[craftbukkit.jar:git-Spigot-9a643a6-2349feb]
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70) ~[craftbukkit.jar:git-Spigot-9a643a6-2349feb]
at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:529) ~[craftbukkit.jar:git-Spigot-9a643a6-2349feb]
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:514) ~[craftbukkit.jar:git-Spigot-9a643a6-2349feb]
at net.minecraft.server.v1_14_R1.PlayerConnection.a(PlayerConnection.java:2162) ~[craftbukkit.jar:git-Spigot-9a643a6-2349feb]
at net.minecraft.server.v1_14_R1.PacketPlayInWindowClick.a(SourceFile:33) ~[craftbukkit.jar:git-Spigot-9a643a6-2349feb]
at net.minecraft.server.v1_14_R1.PacketPlayInWindowClick.a(SourceFile:10) ~[craftbukkit.jar:git-Spigot-9a643a6-2349feb]
at net.minecraft.server.v1_14_R1.PlayerConnectionUtils.lambda$0(PlayerConnectionUtils.java:13) ~[craftbukkit.jar:git-Spigot-9a643a6-2349feb]
at net.minecraft.server.v1_14_R1.TickTask.run(SourceFile:18) [craftbukkit.jar:git-Spigot-9a643a6-2349feb]
at net.minecraft.server.v1_14_R1.IAsyncTaskHandler.executeTask(SourceFile:135) [craftbukkit.jar:git-Spigot-9a643a6-2349feb]
at net.minecraft.server.v1_14_R1.IAsyncTaskHandlerReentrant.executeTask(SourceFile:23) [craftbukkit.jar:git-Spigot-9a643a6-2349feb]
at net.minecraft.server.v1_14_R1.IAsyncTaskHandler.executeNext(SourceFile:114) [craftbukkit.jar:git-Spigot-9a643a6-2349feb]
at net.minecraft.server.v1_14_R1.MinecraftServer.aW(MinecraftServer.java:898) [craftbukkit.jar:git-Spigot-9a643a6-2349feb]
at net.minecraft.server.v1_14_R1.MinecraftServer.executeNext(MinecraftServer.java:891) [craftbukkit.jar:git-Spigot-9a643a6-2349feb]
at net.minecraft.server.v1_14_R1.IAsyncTaskHandler.executeAll(SourceFile:99) [craftbukkit.jar:git-Spigot-9a643a6-2349feb]
at net.minecraft.server.v1_14_R1.MinecraftServer.sleepForTick(MinecraftServer.java:874) [craftbukkit.jar:git-Spigot-9a643a6-2349feb]
at net.minecraft.server.v1_14_R1.MinecraftServer.run(MinecraftServer.java:808) [craftbukkit.jar:git-Spigot-9a643a6-2349feb]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_151]
Caused by: java.lang.NullPointerException
at com.magmaguy.elitemobs.items.potioneffects.ElitePotionEffectContainer.getElitePotionEffects(ElitePotionEffectContainer.java:67) ~[?:?]
at com.magmaguy.elitemobs.items.ItemWorthCalculator.getAllPotionEffectValues(ItemWorthCalculator.java:87) ~[?:?]
at com.magmaguy.elitemobs.items.ItemWorthCalculator.determineItemWorth(ItemWorthCalculator.java:27) ~[?:?]
at com.magmaguy.elitemobs.items.ItemWorthCalculator.determineResaleWorth(ItemWorthCalculator.java:46) ~[?:?]
at com.magmaguy.elitemobs.commands.shops.SellMenu.onInventoryClick(SellMenu.java:101) ~[?:?]
at sun.reflect.GeneratedMethodAccessor332.invoke(Unknown Source) ~[?:?]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_151]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_151]
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:316) ~[craftbukkit.jar:git-Spigot-9a643a6-2349feb]
... 17 more