[error]

[polo002]

[02:01:28 ERROR]: Could not pass event InventoryClickEvent to McRPG v1.1.7-BETA
java.lang.IllegalArgumentException: Material cannot be null
at org.apache.commons.lang.Validate.notNull(Validate.java:192) ~[patched_1.14.4.jar:git-Paper-226]
at org.bukkit.inventory.ItemStack.(ItemStack.java:73) ~[patched_1.14.4.jar:git-Paper-226]
at org.bukkit.inventory.ItemStack.(ItemStack.java:61) ~[patched_1.14.4.jar:git-Paper-226]
at org.bukkit.inventory.ItemStack.(ItemStack.java:49) ~[patched_1.14.4.jar:git-Paper-226]
at us.eunoians.mcrpg.gui.SubSkillGUI.lambda$new$0(SubSkillGUI.java:61) ~[?:?]
at us.eunoians.mcrpg.gui.GUIBuilder.rebuildGUI(GUIBuilder.java:163) ~[?:?]
at us.eunoians.mcrpg.gui.SubSkillGUI.(SubSkillGUI.java:91) ~[?:?]
at us.eunoians.mcrpg.events.vanilla.InvClickEvent.invClickEvent(InvClickEvent.java:823) ~[?:?]
at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor80.execute(Unknown Source) ~[?:?]
at org.bukkit.plugin.EventExecutor.lambda$create$1(EventExecutor.java:69) ~[patched_1.14.4.jar:git-Paper-226]
at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:80) ~[patched_1.14.4.jar:git-Paper-226]
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70) ~[patched_1.14.4.jar:git-Paper-226]
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:545) ~[patched_1.14.4.jar:git-Paper-226]
at net.minecraft.server.v1_14_R1.PlayerConnection.a(PlayerConnection.java:2310) ~[patched_1.14.4.jar:git-Paper-226]
at net.minecraft.server.v1_14_R1.PacketPlayInWindowClick.a(SourceFile:33) ~[patched_1.14.4.jar:git-Paper-226]
at net.minecraft.server.v1_14_R1.PacketPlayInWindowClick.a(SourceFile:10) ~[patched_1.14.4.jar:git-Paper-226]
at net.minecraft.server.v1_14_R1.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:23) ~[patched_1.14.4.jar:git-Paper-226]
at net.minecraft.server.v1_14_R1.TickTask.run(SourceFile:18) ~[patched_1.14.4.jar:git-Paper-226]
at net.minecraft.server.v1_14_R1.IAsyncTaskHandler.executeTask(IAsyncTaskHandler.java:136) ~[patched_1.14.4.jar:git-Paper-226]
at net.minecraft.server.v1_14_R1.IAsyncTaskHandlerReentrant.executeTask(SourceFile:23) ~[patched_1.14.4.jar:git-Paper-226]
at net.minecraft.server.v1_14_R1.IAsyncTaskHandler.executeNext(IAsyncTaskHandler.java:109) ~[patched_1.14.4.jar:git-Paper-226]
at net.minecraft.server.v1_14_R1.MinecraftServer.aX(MinecraftServer.java:1029) ~[patched_1.14.4.jar:git-Paper-226]
at net.minecraft.server.v1_14_R1.MinecraftServer.executeNext(MinecraftServer.java:1022) ~[patched_1.14.4.jar:git-Paper-226]
at net.minecraft.server.v1_14_R1.IAsyncTaskHandler.awaitTasks(IAsyncTaskHandler.java:119) ~[patched_1.14.4.jar:git-Paper-226]
at net.minecraft.server.v1_14_R1.MinecraftServer.sleepForTick(MinecraftServer.java:1006) ~[patched_1.14.4.jar:git-Paper-226]
at net.minecraft.server.v1_14_R1.MinecraftServer.run(MinecraftServer.java:929) ~[patched_1.14.4.jar:git-Paper-226]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_212]

[DiamondDagger590]

Hey there, check the console at startup for how to fix this. The default config is written against 1.13 and I’m hoping to drop support for it in the future so I can remove this from happening. TLDR Just a one line config change and reload required