[15:04:27 ERROR]: [MythicMobs] [SCHEDULER] Exception thrown whilst executing task
[15:04:27 WARN]: java.lang.InstantiationError: io.lumine.mythic.bukkit.adapters.BukkitItemStack
[15:04:27 WARN]:        at ItemsAdder_3.6.4-release-3.jar//dev.lone.itemsadder.Core.OtherPlugins.MythicMobs.drops.CustomItemDrop.getDrop(SourceFile:28)
[15:04:27 WARN]:        at MythicMobs-5.7.0-SNAPSHOT.jar//io.lumine.mythic.core.drops.LootBag.equip(LootBag.java:242)
[15:04:27 WARN]:        at MythicMobs-5.7.0-SNAPSHOT.jar//io.lumine.mythic.core.mobs.MobType.lambda$applyMobOptions$5(MobType.java:1152)
[15:04:27 WARN]:        at MythicMobs-5.7.0-SNAPSHOT.jar//io.lumine.mythic.bukkit.utils.Delegates$RunnableToSupplier.get(Delegates.java:121)
[15:04:27 WARN]:        at MythicMobs-5.7.0-SNAPSHOT.jar//io.lumine.mythic.bukkit.utils.promise.LuminePromise$SupplyRunnable.run(LuminePromise.java:654)
[15:04:27 WARN]:        at MythicMobs-5.7.0-SNAPSHOT.jar//io.lumine.mythic.bukkit.utils.tasks.LumineExecutors$SchedulerWrappedRunnable.run(LumineExecutors.java:70)
[15:04:27 WARN]:        at org.bukkit.craftbukkit.v1_20_R3.scheduler.CraftTask.run(CraftTask.java:100)
[15:04:27 WARN]:        at org.bukkit.craftbukkit.v1_20_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:482)
[15:04:27 WARN]:        at net.minecraft.server.MinecraftServer.b(MinecraftServer.java:1650)
[15:04:27 WARN]:        at net.minecraft.server.dedicated.DedicatedServer.b(DedicatedServer.java:469)
[15:04:27 WARN]:        at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:1533)
[15:04:27 WARN]:        at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:1234)
[15:04:27 WARN]:        at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:323)
[15:04:27 WARN]:        at java.base/java.lang.Thread.run(Thread.java:1583)