Exception thrown whilst handling event

[19:21:08] [Server thread/WARN]: at MythicMobs-5.7.2-SNAPSHOT.jar//io.lumine.mythic.core.skills.projectiles.bullet.ArmorStandBulletArmorStandBulletTracker.lambdanew$1(ArmorStandBullet.java:121) [19:21:08] [Server thread/WARN]: at MythicMobs-5.7.2-SNAPSHOT.jar//io.lumine.mythic.bukkit.utils.events.functional.single.EventListener.execute(EventListener.java:115) [19:21:08] [Server thread/WARN]: at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:77) [19:21:08] [Server thread/WARN]: at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70) [19:21:08] [Server thread/WARN]: at io.papermc.paper.plugin.manager.PaperEventManager.callEvent(PaperEventManager.java:54) [19:21:08] [Server thread/WARN]: at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.callEvent(PaperPluginManagerImpl.java:126) [19:21:08] [Server thread/WARN]: at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:617) [19:21:08] [Server thread/WARN]: at org.bukkit.craftbukkit.v1_20_R1.event.CraftEventFactory.callEvent(CraftEventFactory.java:264) [19:21:08] [Server thread/WARN]: at org.bukkit.craftbukkit.v1_20_R1.event.CraftEventFactory.callEntityDamageEvent(CraftEventFactory.java:1227) [19:21:08] [Server thread/WARN]: at org.bukkit.craftbukkit.v1_20_R1.event.CraftEventFactory.handleEntityDamageEvent(CraftEventFactory.java:1080) [19:21:08] [Server thread/WARN]: at org.bukkit.craftbukkit.v1_20_R1.event.CraftEventFactory.handleEntityDamageEvent(CraftEventFactory.java:1023) [19:21:08] [Server thread/WARN]: at org.bukkit.craftbukkit.v1_20_R1.event.CraftEventFactory.handleLivingEntityDamageEvent(CraftEventFactory.java:1261) [19:21:08] [Server thread/WARN]: at net.minecraft.world.entity.EntityLiving.damageEntity0(EntityLiving.java:2260) [19:21:08] [Server thread/WARN]: at net.minecraft.world.entity.EntityLiving.a(EntityLiving.java:1479) [19:21:08] [Server thread/WARN]: at net.minecraft.world.entity.monster.warden.Warden.a(Warden.java:566) [19:21:08] [Server thread/WARN]: at org.bukkit.craftbukkit.v1_20_R1.entity.CraftLivingEntity.damage(CraftLivingEntity.java:380) [19:21:08] [Server thread/WARN]: at [M神话武器前置]MythicLib-1.6.1.jar//io.lumine.mythic.lib.manager.DamageManager.applyDamage(DamageManager.java:158) [19:21:08] [Server thread/WARN]: at [M神话武器前置]MythicLib-1.6.1.jar//io.lumine.mythic.lib.manager.DamageManager.registerAttack(DamageManager.java:117) [19:21:08] [Server thread/WARN]: at [M神话武器前置]MythicLib-1.6.1.jar//io.lumine.mythic.lib.player.PlayerMetadata.attack(PlayerMetadata.java:130) [19:21:08] [Server thread/WARN]: at [M神话武器前置]MythicLib-1.6.1.jar//io.lumine.mythic.lib.player.PlayerMetadata.attack(PlayerMetadata.java:105) [19:21:08] [Server thread/WARN]: at [M神话武器前置]MythicLib-1.6.1.jar//io.lumine.mythic.lib.damage.AttackMetadata.attack(AttackMetadata.java:187) [19:21:08] [Server thread/WARN]: at [M神话武器]MMOItems-6.9.4.jar//net.Indyuce.mmoitems.api.TypeSet.lambda$static$0(TypeSet.java:46) [19:21:08] [Server thread/WARN]: at [M神话武器]MMOItems-6.9.4.jar//net.Indyuce.mmoitems.api.TypeSet.applyAttackEffect(TypeSet.java:152) [19:21:08] [Server thread/WARN]: at [M神话武器]MMOItems-6.9.4.jar//net.Indyuce.mmoitems.api.interaction.weapon.Weapon.handleTargetedAttack(Weapon.java:114) [19:21:08] [Server thread/WARN]: at [M神话武器]MMOItems-6.9.4.jar//net.Indyuce.mmoitems.listener.ItemUse.meleeAttacks(ItemUse.java:139) [19:21:08] [Server thread/WARN]: at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor588.execute(Unknown Source) [19:21:08] [Server thread/WARN]: at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:77) [19:21:08] [Server thread/WARN]: at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:77) [19:21:08] [Server thread/WARN]: at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70) [19:21:08] [Server thread/WARN]: at io.papermc.paper.plugin.manager.PaperEventManager.callEvent(PaperEventManager.java:54) [19:21:08] [Server thread/WARN]: at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.callEvent(PaperPluginManagerImpl.java:126) [19:21:08] [Server thread/WARN]: at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:617) [19:21:08] [Server thread/WARN]: at [M神话武器前置]MythicLib-1.6.1.jar//io.lumine.mythic.lib.listener.event.AttackEventListener.registerEvents(AttackEventListener.java:58) [19:21:08] [Server thread/WARN]: at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor526.execute(Unknown Source) [19:21:08] [Server thread/WARN]: at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:77) [19:21:08] [Server thread/WARN]: at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:77) [19:21:08] [Server thread/WARN]: at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70) [19:21:08] [Server thread/WARN]: at io.papermc.paper.plugin.manager.PaperEventManager.callEvent(PaperEventManager.java:54) [19:21:08] [Server thread/WARN]: at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.callEvent(PaperPluginManagerImpl.java:126) [19:21:08] [Server thread/WARN]: at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:617) [19:21:08] [Server thread/WARN]: at org.bukkit.craftbukkit.v1_20_R1.event.CraftEventFactory.callEvent(CraftEventFactory.java:264) [19:21:08] [Server thread/WARN]: at org.bukkit.craftbukkit.v1_20_R1.event.CraftEventFactory.callEntityDamageEvent(CraftEventFactory.java:1227) [19:21:08] [Server thread/WARN]: at org.bukkit.craftbukkit.v1_20_R1.event.CraftEventFactory.handleEntityDamageEvent(CraftEventFactory.java:1080) [19:21:08] [Server thread/WARN]: at org.bukkit.craftbukkit.v1_20_R1.event.CraftEventFactory.handleEntityDamageEvent(CraftEventFactory.java:1023) [19:21:08] [Server thread/WARN]: at org.bukkit.craftbukkit.v1_20_R1.event.CraftEventFactory.handleLivingEntityDamageEvent(CraftEventFactory.java:1261) [19:21:08] [Server thread/WARN]: at net.minecraft.world.entity.EntityLiving.damageEntity0(EntityLiving.java:2260) [19:21:08] [Server thread/WARN]: at net.minecraft.world.entity.EntityLiving.a(EntityLiving.java:1479) [19:21:08] [Server thread/WARN]: at net.minecraft.world.entity.monster.warden.Warden.a(Warden.java:566) [19:21:08] [Server thread/WARN]: at net.minecraft.world.entity.player.EntityHuman.d(EntityHuman.java:1359) [19:21:08] [Server thread/WARN]: at net.minecraft.server.level.EntityPlayer.d(EntityPlayer.java:2302) [19:21:08] [Server thread/WARN]: at net.minecraft.server.network.PlayerConnection$5.a(PlayerConnection.java:3010) [19:21:08] [Server thread/WARN]: at net.minecraft.network.protocol.game.PacketPlayInUseEntity$1.a(PacketPlayInUseEntity.java:24) [19:21:08] [Server thread/WARN]: at net.minecraft.network.protocol.game.PacketPlayInUseEntity.a(PacketPlayInUseEntity.java:80) [19:21:08] [Server thread/WARN]: at net.minecraft.server.network.PlayerConnection.a(PlayerConnection.java:2932) [19:21:08] [Server thread/WARN]: at net.minecraft.network.protocol.game.PacketPlayInUseEntity.a(PacketPlayInUseEntity.java:67) [19:21:08] [Server thread/WARN]: at net.minecraft.network.protocol.game.PacketPlayInUseEntity.a(PacketPlayInUseEntity.java:12) [19:21:08] [Server thread/WARN]: at net.minecraft.network.protocol.PlayerConnectionUtils.lambda$ensureRunningOnSameThread$0(PlayerConnectionUtils.java:51) [19:21:08] [Server thread/WARN]: at net.minecraft.server.TickTask.run(TickTask.java:18) [19:21:08] [Server thread/WARN]: at net.minecraft.util.thread.IAsyncTaskHandler.d(IAsyncTaskHandler.java:153) [19:21:08] [Server thread/WARN]: at net.minecraft.util.thread.IAsyncTaskHandlerReentrant.d(IAsyncTaskHandlerReentrant.java:24) [19:21:08] [Server thread/WARN]: at net.minecraft.server.MinecraftServer.b(MinecraftServer.java:1365) [19:21:08] [Server thread/WARN]: at net.minecraft.server.MinecraftServer.d(MinecraftServer.java:197) [19:21:08] [Server thread/WARN]: at net.minecraft.util.thread.IAsyncTaskHandler.x(IAsyncTaskHandler.java:126) [19:21:08] [Server thread/WARN]: at net.minecraft.server.MinecraftServer.bg(MinecraftServer.java:1342) [19:21:08] [Server thread/WARN]: at net.minecraft.server.MinecraftServer.x(MinecraftServer.java:1335) [19:21:08] [Server thread/WARN]: at net.minecraft.util.thread.IAsyncTaskHandler.c(IAsyncTaskHandler.java:136) [19:21:08] [Server thread/WARN]: at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:1412) [19:21:08] [Server thread/WARN]: at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:1191) [19:21:08] [Server thread/WARN]: at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:322) [19:21:08] [Server thread/WARN]: at java.base/java.lang.Thread.run(Thread.java:1583)