[23:26:19 ERROR]: Could not pass event EntityDamageByEntityEvent to Vulcan v2.6.3
java.lang.NoClassDefFoundError: io/lumine/xikage/mythicmobs/MythicMobs
        at me.frep.vulcan.spigot.Vulcan_il.Vulcan_N(Vulcan_il.java:22) ~[?:?]
        at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor838.execute(Unknown Source) ~[?:?]
        at org.bukkit.plugin.EventExecutor.lambda$create$1(EventExecutor.java:69) ~[patched_1.16.5.jar:git-Paper-794]
        at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:76) ~[patched_1.16.5.jar:git-Paper-794]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70) ~[patched_1.16.5.jar:git-Paper-794]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:624) ~[patched_1.16.5.jar:git-Paper-794]
        at org.bukkit.craftbukkit.v1_16_R3.event.CraftEventFactory.callEvent(CraftEventFactory.java:257) ~[patched_1.16.5.jar:git-Paper-794]
        at org.bukkit.craftbukkit.v1_16_R3.event.CraftEventFactory.callEntityDamageEvent(CraftEventFactory.java:1091) ~[patched_1.16.5.jar:git-Paper-794]
        at org.bukkit.craftbukkit.v1_16_R3.event.CraftEventFactory.handleEntityDamageEvent(CraftEventFactory.java:978) ~[patched_1.16.5.jar:git-Paper-794]
        at org.bukkit.craftbukkit.v1_16_R3.event.CraftEventFactory.handleEntityDamageEvent(CraftEventFactory.java:934) ~[patched_1.16.5.jar:git-Paper-794]
        at org.bukkit.craftbukkit.v1_16_R3.event.CraftEventFactory.handleLivingEntityDamageEvent(CraftEventFactory.java:1123) ~[patched_1.16.5.jar:git-Paper-794]
        at net.minecraft.server.v1_16_R3.EntityLiving.damageEntity0(EntityLiving.java:1932) ~[patched_1.16.5.jar:git-Paper-794]
        at net.minecraft.server.v1_16_R3.EntityHuman.damageEntity0(EntityHuman.java:953) ~[patched_1.16.5.jar:git-Paper-794]
        at net.minecraft.server.v1_16_R3.EntityLiving.damageEntity(EntityLiving.java:1260) ~[patched_1.16.5.jar:git-Paper-794]
        at net.minecraft.server.v1_16_R3.EntityHuman.damageEntity(EntityHuman.java:870) ~[patched_1.16.5.jar:git-Paper-794]
        at net.minecraft.server.v1_16_R3.EntityPlayer.damageEntity(EntityPlayer.java:982) ~[patched_1.16.5.jar:git-Paper-794]
        at net.minecraft.server.v1_16_R3.EntityHuman.attack(EntityHuman.java:1196) ~[patched_1.16.5.jar:git-Paper-794]
        at net.minecraft.server.v1_16_R3.EntityPlayer.attack(EntityPlayer.java:2022) ~[patched_1.16.5.jar:git-Paper-794]
        at net.minecraft.server.v1_16_R3.PlayerConnection.a(PlayerConnection.java:2413) ~[patched_1.16.5.jar:git-Paper-794]
        at net.minecraft.server.v1_16_R3.PacketPlayInUseEntity.a(PacketPlayInUseEntity.java:55) ~[patched_1.16.5.jar:git-Paper-794]
        at net.minecraft.server.v1_16_R3.PacketPlayInUseEntity.a(PacketPlayInUseEntity.java:12) ~[patched_1.16.5.jar:git-Paper-794]
        at net.minecraft.server.v1_16_R3.PlayerConnectionUtils.lambda$ensureMainThread$1(PlayerConnectionUtils.java:35) ~[patched_1.16.5.jar:git-Paper-794]
        at net.minecraft.server.v1_16_R3.TickTask.run(SourceFile:18) ~[patched_1.16.5.jar:git-Paper-794]
        at net.minecraft.server.v1_16_R3.IAsyncTaskHandler.executeTask(IAsyncTaskHandler.java:136) ~[patched_1.16.5.jar:git-Paper-794]
        at net.minecraft.server.v1_16_R3.IAsyncTaskHandlerReentrant.executeTask(SourceFile:23) ~[patched_1.16.5.jar:git-Paper-794]
        at net.minecraft.server.v1_16_R3.IAsyncTaskHandler.executeNext(IAsyncTaskHandler.java:109) ~[patched_1.16.5.jar:git-Paper-794]
        at net.minecraft.server.v1_16_R3.MinecraftServer.bb(MinecraftServer.java:1271) ~[patched_1.16.5.jar:git-Paper-794]
        at net.minecraft.server.v1_16_R3.MinecraftServer.executeNext(MinecraftServer.java:1264) ~[patched_1.16.5.jar:git-Paper-794]
        at net.minecraft.server.v1_16_R3.IAsyncTaskHandler.awaitTasks(IAsyncTaskHandler.java:119) ~[patched_1.16.5.jar:git-Paper-794]
        at net.minecraft.server.v1_16_R3.MinecraftServer.sleepForTick(MinecraftServer.java:1225) ~[patched_1.16.5.jar:git-Paper-794]
        at net.minecraft.server.v1_16_R3.MinecraftServer.w(MinecraftServer.java:1139) ~[patched_1.16.5.jar:git-Paper-794]
        at net.minecraft.server.v1_16_R3.MinecraftServer.lambda$a$0(MinecraftServer.java:291) ~[patched_1.16.5.jar:git-Paper-794]
        at java.lang.Thread.run(Thread.java:831) [?:?]