Customization with Minecraft - Error occurred while enabling MMOItems v6.9.4 (Is it up to date?)

System Information

Field Value
Operating System Linux - Debian GNU/Linux 12 on x86_64
Product AMP ‘Callisto’ v2.5.0.14 (Mainline)
Virtualization Docker
Application Minecraft
Module MinecraftModule
Running in Container Yes
Current State Ready

Problem Description

Issue

As stated above, i can’t make work MMOItems in my server. I have tried all the steps above and they don’t work.

Reproduction Steps

  • Installed latest plugin
  • Installed latest dependency lib
  • Tried to update Spigot via AMP (failed)
  • Tried using Paper

[MMOItems] Enabling MMOItems v6.9.4
[18:48:34] [Server thread/ERROR]: Error occurred while enabling MMOItems v6.9.4 (Is it up to date?)
java.lang.IllegalArgumentException: A skill handler with the same name already exists
at org.apache.commons.lang.Validate.isTrue(Validate.java:136) ~[commons-lang-2.6.jar:2.6]
at io.lumine.mythic.lib.manager.SkillManager.registerSkillHandler(SkillManager.java:262) ~[MythicLib-dist-1.6.2-20240510.061251-41.jar:?]
at net.Indyuce.mmoitems.manager.SkillManager.initialize(SkillManager.java:84) ~[MMOItems-6.9.4.jar:?]
at net.Indyuce.mmoitems.MMOItems.onEnable(MMOItems.java:144) ~[MMOItems-6.9.4.jar:?]
at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:287) ~[paper-api-1.20.4-R0.1-SNAPSHOT.jar:?]
at io.papermc.paper.plugin.manager.PaperPluginInstanceManager.enablePlugin(PaperPluginInstanceManager.java:188) ~[paper-1.20.4.jar:git-Paper-462]
at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.enablePlugin(PaperPluginManagerImpl.java:104) ~[paper-1.20.4.jar:git-Paper-462]
at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:507) ~[paper-api-1.20.4-R0.1-SNAPSHOT.jar:?]
at org.bukkit.craftbukkit.v1_20_R3.CraftServer.enablePlugin(CraftServer.java:639) ~[paper-1.20.4.jar:git-Paper-462]
at org.bukkit.craftbukkit.v1_20_R3.CraftServer.enablePlugins(CraftServer.java:550) ~[paper-1.20.4.jar:git-Paper-462]
at net.minecraft.server.MinecraftServer.loadWorld0(MinecraftServer.java:671) ~[paper-1.20.4.jar:git-Paper-462]
at net.minecraft.server.MinecraftServer.loadLevel(MinecraftServer.java:431) ~[paper-1.20.4.jar:git-Paper-462]
at net.minecraft.server.dedicated.DedicatedServer.initServer(DedicatedServer.java:309) ~[paper-1.20.4.jar:git-Paper-462]
at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1131) ~[paper-1.20.4.jar:git-Paper-462]
at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:319) ~[paper-1.20.4.jar:git-Paper-462]
at java.lang.Thread.run(Thread.java:833) ~[?:?]

Not an AMP issue, I’d suggest reading the MMOItems instillation docs, and see what their support has to say on the matter

And fot the Spigot problem? I can’t update it via AMP

That’s been fixed in the dev stream, just run Buildtools on your computer and upload the Jar manually

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