>.... [00:44:09 ERROR]: Could not pass event InventoryClickEvent to MMOCore v1.2.3
java.lang.ArrayIndexOutOfBoundsException: -21
at java.util.ArrayList.elementData(ArrayList.java:422) ~[?:1.8.0_212]
at java.util.ArrayList.get(ArrayList.java:435) ~[?:1.8.0_212]
at net.Indyuce.mmocore.gui.QuestViewer$QuestItem.display(QuestViewer.java:84) ~[?:?]
at net.Indyuce.mmocore.gui.api.item.InventoryItem.setDisplayed(InventoryItem.java:58) ~[?:?]
at net.Indyuce.mmocore.gui.api.GeneratedInventory.getInventory(GeneratedInventory.java:61) ~[?:?]
at net.Indyuce.mmocore.gui.api.GeneratedInventory.open(GeneratedInventory.java:74) ~[?:?]
at net.Indyuce.mmocore.gui.QuestViewer$QuestInventory.whenClicked(QuestViewer.java:188) ~[?:?]
at net.Indyuce.mmocore.gui.api.GeneratedInventory.whenClicked(GeneratedInventory.java:88) ~[?:?]
at net.Indyuce.mmocore.listener.PlayerListener.b(PlayerListener.java:36) ~[?:?]
at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor604.execute(Unknown Source) ~[?:?]
at org.bukkit.plugin.EventExecutor.lambda$create$1(EventExecutor.java:69) ~[patched_1.15.2.jar:git-Paper-105]
at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:80) ~[patched_1.15.2.jar:git-Paper-105]
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70) ~[patched_1.15.2.jar:git-Paper-105]
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:559) ~[patched_1.15.2.jar:git-Paper-105]
at net.minecraft.server.v1_15_R1.PlayerConnection.a(PlayerConnection.java:2329) ~[patched_1.15.2.jar:git-Paper-105]
at net.minecraft.server.v1_15_R1.PacketPlayInWindowClick.a(SourceFile:32) ~[patched_1.15.2.jar:git-Paper-105]
at net.minecraft.server.v1_15_R1.PacketPlayInWindowClick.a(SourceFile:10) ~[patched_1.15.2.jar:git-Paper-105]
at net.minecraft.server.v1_15_R1.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:23) ~[patched_1.15.2.jar:git-Paper-105]
at net.minecraft.server.v1_15_R1.TickTask.run(SourceFile:18) ~[patched_1.15.2.jar:git-Paper-105]
at net.minecraft.server.v1_15_R1.IAsyncTaskHandler.executeTask(IAsyncTaskHandler.java:136) ~[patched_1.15.2.jar:git-Paper-105]
at net.minecraft.server.v1_15_R1.IAsyncTaskHandlerReentrant.executeTask(SourceFile:23) ~[patched_1.15.2.jar:git-Paper-105]
at net.minecraft.server.v1_15_R1.IAsyncTaskHandler.executeNext(IAsyncTaskHandler.java:109) ~[patched_1.15.2.jar:git-Paper-105]
at net.minecraft.server.v1_15_R1.MinecraftServer.ba(MinecraftServer.java:1038) ~[patched_1.15.2.jar:git-Paper-105]
at net.minecraft.server.v1_15_R1.MinecraftServer.executeNext(MinecraftServer.java:1031) ~[patched_1.15.2.jar:git-Paper-105]
at net.minecraft.server.v1_15_R1.IAsyncTaskHandler.awaitTasks(IAsyncTaskHandler.java:119) ~[patched_1.15.2.jar:git-Paper-105]
at net.minecraft.server.v1_15_R1.MinecraftServer.sleepForTick(MinecraftServer.java:1015) ~[patched_1.15.2.jar:git-Paper-105]
at net.minecraft.server.v1_15_R1.MinecraftServer.run(MinecraftServer.java:938) ~[patched_1.15.2.jar:git-Paper-105]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_212]