Ошибка при вводе /skills. Плагин MMOCore

[22:18:26 ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing 'skills' in net.Indyuce.mmocore.command.SkillsCommand(skills)
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:178) ~[purpur-api-1.19.2-R0.1-SNAPSHOT.jar:?]
at org.bukkit.craftbukkit.v1_19_R1.CraftServer.dispatchCommand(CraftServer.java:962) ~[purpur-1.19.2.jar:git-Purpur-1858]
at org.bukkit.craftbukkit.v1_19_R1.command.BukkitCommandWrapper.run(BukkitCommandWrapper.java:64) ~[purpur-1.19.2.jar:git-Purpur-1858]
at com.mojang.brigadier.CommandDispatcher.execute(CommandDispatcher.java:264) ~[purpur-1.19.2.jar:?]
at net.minecraft.commands.Commands.performCommand(Commands.java:313) ~[?:?]
at net.minecraft.commands.Commands.performCommand(Commands.java:297) ~[?:?]
at net.minecraft.server.network.ServerGamePacketListenerImpl.performChatCommand(ServerGamePacketListenerImpl.java:2386) ~[?:?]
at net.minecraft.server.network.ServerGamePacketListenerImpl.lambda$handleChatCommand$21(ServerGamePacketListenerImpl.java:2340) ~[?:?]
at net.minecraft.util.thread.BlockableEventLoop.lambda$submitAsync$0(BlockableEventLoop.java:59) ~[?:?]
at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1768) ~[?:?]
at net.minecraft.server.TickTask.run(TickTask.java:18) ~[purpur-1.19.2.jar:git-Purpur-1858]
at net.minecraft.util.thread.BlockableEventLoop.doRunTask(BlockableEventLoop.java:153) ~[?:?]
at net.minecraft.util.thread.ReentrantBlockableEventLoop.doRunTask(ReentrantBlockableEventLoop.java:24) ~[?:?]
at net.minecraft.server.MinecraftServer.doRunTask(MinecraftServer.java:1368) ~[purpur-1.19.2.jar:git-Purpur-1858]
at net.minecraft.server.MinecraftServer.d(MinecraftServer.java:185) ~[purpur-1.19.2.jar:git-Purpur-1858]
at net.minecraft.util.thread.BlockableEventLoop.pollTask(BlockableEventLoop.java:126) ~[?:?]
at net.minecraft.server.MinecraftServer.pollTaskInternal(MinecraftServer.java:1345) ~[purpur-1.19.2.jar:git-Purpur-1858]
at net.minecraft.server.MinecraftServer.pollTask(MinecraftServer.java:1338) ~[purpur-1.19.2.jar:git-Purpur-1858]
at net.minecraft.util.thread.BlockableEventLoop.managedBlock(BlockableEventLoop.java:136) ~[?:?]
at net.minecraft.server.MinecraftServer.waitUntilNextTick(MinecraftServer.java:1316) ~[purpur-1.19.2.jar:git-Purpur-1858]
at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1204) ~[purpur-1.19.2.jar:git-Purpur-1858]
at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:310) ~[purpur-1.19.2.jar:git-Purpur-1858]
at java.lang.Thread.run(Thread.java:1589) ~[?:?]
Caused by: java.lang.NullPointerException: Cannot invoke "net.Indyuce.mmocore.gui.api.item.InventoryItem.getSlots()" because the return value of "net.Indyuce.mmocore.gui.api.EditableInventory.getByFunction(String)" is null
at net.Indyuce.mmocore.gui.SkillList$SkillViewerInventory.<init>(SkillList.java:343) ~[MMOCore-1.11.1.jar:?]
at net.Indyuce.mmocore.gui.SkillList.newInventory(SkillList.java:149) ~[MMOCore-1.11.1.jar:?]
at net.Indyuce.mmocore.command.SkillsCommand.execute(SkillsCommand.java:34) ~[MMOCore-1.11.1.jar:?]
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:168) ~[purpur-api-1.19.2-R0.1-SNAPSHOT.jar:?]
... 22 more


Как решить эту проблему?

 

Удалите попку MMOCORE, и у вас все заработает. (когда будете что то менять в файлах делайте резервную копию файлов)