Hit Raug after boss defeat

[18:23:22 WARN]: at me.bartvv.audioconnect.listener.MobListener.on(MobListener.java:73)
[18:23:22 WARN]: java.lang.NullPointerException
[18:23:22 WARN]: at org.bukkit.plugin.EventExecutor.lambda$create$1(EventExecutor.java:69)
[18:23:22 WARN]: at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor619.execute(Unknown Source)
[18:23:22 WARN]: at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:80)
[18:23:22 WARN]: at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70)
[18:23:22 WARN]: at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:607)
[18:23:22 WARN]: at java.lang.Thread.run(Thread.java:748)
[18:23:22 WARN]: at com.magmaguy.elitemobs.api.EliteMobDamagedByPlayerEvent$EntityDamagedByEntityFilter.onEntityDamageByEntityEvent(EliteMobDamagedByPlayerEvent.java:92)
[18:23:22 WARN]: at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor461.execute(Unknown Source)
[18:23:22 WARN]: at org.bukkit.plugin.EventExecutor.lambda$create$1(EventExecutor.java:69)
[18:23:22 WARN]: at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:80)
[18:23:22 WARN]: at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70)
[18:23:22 WARN]: at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:607)
[18:23:22 WARN]: at org.bukkit.craftbukkit.v1_15_R1.event.CraftEventFactory.callEvent(CraftEventFactory.java:240)
[18:23:22 WARN]: at org.bukkit.craftbukkit.v1_15_R1.event.CraftEventFactory.callEntityDamageEvent(CraftEventFactory.java:1008)
[18:23:22 WARN]: at org.bukkit.craftbukkit.v1_15_R1.event.CraftEventFactory.handleEntityDamageEvent(CraftEventFactory.java:895)
[18:23:22 WARN]: at org.bukkit.craftbukkit.v1_15_R1.event.CraftEventFactory.handleEntityDamageEvent(CraftEventFactory.java:851)
[18:23:22 WARN]: at org.bukkit.craftbukkit.v1_15_R1.event.CraftEventFactory.handleLivingEntityDamageEvent(CraftEventFactory.java:1040)
[18:23:22 WARN]: at net.minecraft.server.v1_15_R1.EntityLiving.damageEntity0(EntityLiving.java:1691)
[18:23:22 WARN]: at net.minecraft.server.v1_15_R1.EntityLiving.damageEntity(EntityLiving.java:1049)
[18:23:22 WARN]: at net.minecraft.server.v1_15_R1.EntityMonster.damageEntity(EntityMonster.java:52)
[18:23:22 WARN]: at net.minecraft.server.v1_15_R1.EntitySilverfish.damageEntity(EntitySilverfish.java:77)
[18:23:22 WARN]: at net.minecraft.server.v1_15_R1.EntityHuman.attack(EntityHuman.java:1113)
[18:23:22 WARN]: at net.minecraft.server.v1_15_R1.EntityPlayer.attack(EntityPlayer.java:1706)
[18:23:22 WARN]: at net.minecraft.server.v1_15_R1.PlayerConnection.a(PlayerConnection.java:2088)
[18:23:22 WARN]: at net.minecraft.server.v1_15_R1.PacketPlayInUseEntity.a(PacketPlayInUseEntity.java:51)
[18:23:22 WARN]: at net.minecraft.server.v1_15_R1.PacketPlayInUseEntity.a(PacketPlayInUseEntity.java:6)
[18:23:22 WARN]: at net.minecraft.server.v1_15_R1.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:23)
[18:23:22 WARN]: at net.minecraft.server.v1_15_R1.TickTask.run(SourceFile:18)
[18:23:22 WARN]: at net.minecraft.server.v1_15_R1.IAsyncTaskHandler.executeTask(IAsyncTaskHandler.java:136)
[18:23:22 WARN]: at net.minecraft.server.v1_15_R1.IAsyncTaskHandlerReentrant.executeTask(SourceFile:23)
[18:23:22 WARN]: at net.minecraft.server.v1_15_R1.IAsyncTaskHandler.executeNext(IAsyncTaskHandler.java:109)
[18:23:22 WARN]: at net.minecraft.server.v1_15_R1.MinecraftServer.ba(MinecraftServer.java:1093)
[18:23:22 WARN]: at net.minecraft.server.v1_15_R1.MinecraftServer.executeNext(MinecraftServer.java:1086)
[18:23:22 WARN]: at net.minecraft.server.v1_15_R1.IAsyncTaskHandler.awaitTasks(IAsyncTaskHandler.java:119)
[18:23:22 WARN]: at net.minecraft.server.v1_15_R1.MinecraftServer.sleepForTick(MinecraftServer.java:1047)
[18:23:22 WARN]: at net.minecraft.server.v1_15_R1.MinecraftServer.run(MinecraftServer.java:962)