20.11 15:26:38 [Server] ERROR Could not pass event InventoryClickEvent to EliteSkyblock v1.0.0
20.11 15:26:38 [Server] INFO org.bukkit.event.EventException: null
20.11 15:26:38 [Server] INFO at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:306) ~[spigot-1.12.2.jar:git-Spigot-79a30d7-acbc348]
20.11 15:26:38 [Server] INFO at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot-1.12.2.jar:git-Spigot-79a30d7-acbc348]
20.11 15:26:38 [Server] INFO at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:500) [spigot-1.12.2.jar:git-Spigot-79a30d7-acbc348]
20.11 15:26:38 [Server] INFO at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:485) [spigot-1.12.2.jar:git-Spigot-79a30d7-acbc348]
20.11 15:26:38 [Server] INFO at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:1893) [spigot-1.12.2.jar:git-Spigot-79a30d7-acbc348]
20.11 15:26:38 [Server] INFO at net.minecraft.server.v1_12_R1.PacketPlayInWindowClick.a(SourceFile:33) [spigot-1.12.2.jar:git-Spigot-79a30d7-acbc348]
20.11 15:26:38 [Server] INFO at net.minecraft.server.v1_12_R1.PacketPlayInWindowClick.a(SourceFile:10) [spigot-1.12.2.jar:git-Spigot-79a30d7-acbc348]
20.11 15:26:38 [Server] INFO at net.minecraft.server.v1_12_R1.PlayerConnectionUtils$1.run(SourceFile:13) [spigot-1.12.2.jar:git-Spigot-79a30d7-acbc348]
20.11 15:26:38 [Server] INFO at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_222]
20.11 15:26:38 [Server] INFO at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_222]
20.11 15:26:38 [Server] INFO at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46) [spigot-1.12.2.jar:git-Spigot-79a30d7-acbc348]
20.11 15:26:38 [Server] INFO at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:748) [spigot-1.12.2.jar:git-Spigot-79a30d7-acbc348]
20.11 15:26:38 [Server] INFO at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-79a30d7-acbc348]
20.11 15:26:38 [Server] INFO at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-79a30d7-acbc348]
20.11 15:26:38 [Server] INFO at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-79a30d7-acbc348]
20.11 15:26:38 [Server] INFO at java.lang.Thread.run(Thread.java:748) [?:1.8.0_222]
20.11 15:26:38 [Server] INFO Caused by: java.lang.ArrayIndexOutOfBoundsException: 49
20.11 15:26:38 [Server] INFO at java.util.Arrays$ArrayList.set(Arrays.java:3846) ~[?:1.8.0_222]
20.11 15:26:38 [Server] INFO at net.minecraft.server.v1_12_R1.NonNullList.set(SourceFile:51) ~[spigot-1.12.2.jar:git-Spigot-79a30d7-acbc348]
20.11 15:26:38 [Server] INFO at org.bukkit.craftbukkit.v1_12_R1.inventory.CraftInventoryCustom$MinecraftInventory.setItem(CraftInventoryCustom.java:107) ~[spigot-1.12.2.jar:git-Spigot-79a30d7-acbc348]
20.11 15:26:38 [Server] INFO at org.bukkit.craftbukkit.v1_12_R1.inventory.CraftInventory.setItem(CraftInventory.java:96) ~[spigot-1.12.2.jar:git-Spigot-79a30d7-acbc348]
20.11 15:26:38 [Server] INFO at com.HadesDC.core.gui.guis.skyblock.UpgradesGUI.setupGUI(UpgradesGUI.java:116) ~[?:?]
20.11 15:26:38 [Server] INFO at com.HadesDC.core.gui.guis.skyblock.UpgradesGUI.<init>(UpgradesGUI.java:31) ~[?:?]
20.11 15:26:38 [Server] INFO at com.HadesDC.core.gui.guis.skyblock.IslandGUI.onClick(IslandGUI.java:75) ~[?:?]
20.11 15:26:38 [Server] INFO at com.HadesDC.core.gui.GUI$1.onInventoryClick(GUI.java:45) ~[?:?]
20.11 15:26:38 [Server] INFO at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_222]
20.11 15:26:38 [Server] INFO at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_222]
20.11 15:26:38 [Server] INFO at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_222]
20.11 15:26:38 [Server] INFO at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_222]
20.11 15:26:38 [Server] INFO at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:302) ~[spigot-1.12.2.jar:git-Spigot-79a30d7-acbc348]
20.11 15:26:38 [Server] INFO ... 15 more

RESOURCE USAGE