[21:37:20 ERROR]: Error occurred while enabling MMOCore v1.9-SNAPSHOT (Is it up to date?)
java.lang.IllegalArgumentException: Please provide a passive type
        at org.apache.commons.lang.Validate.isTrue(Validate.java:136) ~[commons-lang-2.6.jar:2.6]
        at net.Indyuce.mmocore.skill.RegisteredSkill.<init>(RegisteredSkill.java:35) ~[MMOCore-1.9-SNAPSHOT (6).jar:?]
        at net.Indyuce.mmocore.manager.SkillManager.initialize(SkillManager.java:81) ~[MMOCore-1.9-SNAPSHOT (6).jar:?]
        at net.Indyuce.mmocore.MMOCore.initializePlugin(MMOCore.java:391) ~[MMOCore-1.9-SNAPSHOT (6).jar:?]
        at net.Indyuce.mmocore.MMOCore.enable(MMOCore.java:221) ~[MMOCore-1.9-SNAPSHOT (6).jar:?]
        at io.lumine.mythic.utils.plugin.LuminePlugin.onEnable(LuminePlugin.java:72) ~[MythicLib-1.3-R25-SNAPSHOT.jar:?]
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:264) ~[paper-api-1.18.1-R0.1-SNAPSHOT.jar:?]
        at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:370) ~[paper-api-1.18.1-R0.1-SNAPSHOT.jar:?]
        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:500) ~[paper-api-1.18.1-R0.1-SNAPSHOT.jar:?]
        at org.bukkit.craftbukkit.v1_18_R1.CraftServer.enablePlugin(CraftServer.java:564) ~[paper-1.18.1.jar:git-Paper-177]
        at org.bukkit.craftbukkit.v1_18_R1.CraftServer.enablePlugins(CraftServer.java:478) ~[paper-1.18.1.jar:git-Paper-177]
        at net.minecraft.server.MinecraftServer.loadWorld0(MinecraftServer.java:727) ~[paper-1.18.1.jar:git-Paper-177]
        at net.minecraft.server.MinecraftServer.loadLevel(MinecraftServer.java:503) ~[paper-1.18.1.jar:git-Paper-177]
        at net.minecraft.server.dedicated.DedicatedServer.initServer(DedicatedServer.java:313) ~[paper-1.18.1.jar:git-Paper-177]
        at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1202) ~[paper-1.18.1.jar:git-Paper-177]
        at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:317) ~[paper-1.18.1.jar:git-Paper-177]
        at java.lang.Thread.run(Thread.java:833) ~[?:?]