[18:38:04 ERROR]: Could not pass event InventoryClickEvent to EpicHeads v3.2.8
java.lang.NullPointerException: null
at com.songoda.epicheads.core.utils.ItemUtils.getCustomHead(ItemUtils.java:281) ~[?:?]
at com.songoda.epicheads.head.Head.asItemStack(Head.java:80) ~[?:?]
at com.songoda.epicheads.gui.GUIHeads.showPage(GUIHeads.java:182) ~[?:?]
at com.songoda.epicheads.gui.GUIHeads.<init>(GUIHeads.java:51) ~[?:?]
at com.songoda.epicheads.gui.GUIOverview.lambda$showPage$2(GUIOverview.java:86) ~[?:?]
at com.songoda.epicheads.core.gui.Gui.onClick(Gui.java:809) ~[?:?]
at com.songoda.epicheads.core.gui.GuiManager$GuiListener.onClickGUI(GuiManager.java:221) ~[?:?]
at com.destroystokyo.paper.event.executor.MethodHandleEventExecutor.execute(MethodHandleEventExecutor.java:37) ~[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.executeAll(IAsyncTaskHandler.java:95) ~[patched_1.15.2.jar:git-Paper-105]
at net.minecraft.server.v1_15_R1.MinecraftServer.a(MinecraftServer.java:1172) ~[patched_1.15.2.jar:git-Paper-105]
at net.minecraft.server.v1_15_R1.MinecraftServer.run(MinecraftServer.java:934) ~[patched_1.15.2.jar:git-Paper-105]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_212]