[Server thread/ERROR]: Could not pass event EntityDeathEvent to PvPLevels v95
org.bukkit.event.EventException: null
	at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:72) ~[patched_1.12.2.jar:git-Paper-1596]
	at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78) ~[patched_1.12.2.jar:git-Paper-1596]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[patched_1.12.2.jar:git-Paper-1596]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:513) ~[patched_1.12.2.jar:git-Paper-1596]
	at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.callEntityDeathEvent(CraftEventFactory.java:397) ~[patched_1.12.2.jar:git-Paper-1596]
	at net.minecraft.server.v1_12_R1.EntityLiving.die(EntityLiving.java:1148) ~[patched_1.12.2.jar:git-Paper-1596]
	at net.minecraft.server.v1_12_R1.EntityZombie.die(EntityZombie.java:429) ~[patched_1.12.2.jar:git-Paper-1596]
	at net.minecraft.server.v1_12_R1.EntityLiving.damageEntity(EntityLiving.java:983) ~[patched_1.12.2.jar:git-Paper-1596]
	at net.minecraft.server.v1_12_R1.EntityMonster.damageEntity(EntityMonster.java:44) ~[patched_1.12.2.jar:git-Paper-1596]
	at net.minecraft.server.v1_12_R1.EntityZombie.damageEntity(EntityZombie.java:163) ~[patched_1.12.2.jar:git-Paper-1596]
	at net.minecraft.server.v1_12_R1.EntityHuman.attack(EntityHuman.java:1028) ~[patched_1.12.2.jar:git-Paper-1596]
	at net.minecraft.server.v1_12_R1.EntityPlayer.attack(EntityPlayer.java:1397) ~[patched_1.12.2.jar:git-Paper-1596]
	at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:1710) ~[patched_1.12.2.jar:git-Paper-1596]
	at net.minecraft.server.v1_12_R1.PacketPlayInUseEntity.a(PacketPlayInUseEntity.java:49) ~[patched_1.12.2.jar:git-Paper-1596]
	at net.minecraft.server.v1_12_R1.PacketPlayInUseEntity.a(PacketPlayInUseEntity.java:6) ~[patched_1.12.2.jar:git-Paper-1596]
	at net.minecraft.server.v1_12_R1.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:14) ~[patched_1.12.2.jar:git-Paper-1596]
	at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) ~[?:1.8.0_152]
	at java.util.concurrent.FutureTask.run(Unknown Source) ~[?:1.8.0_152]
	at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46) ~[patched_1.12.2.jar:git-Paper-1596]
	at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:850) ~[patched_1.12.2.jar:git-Paper-1596]
	at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:423) ~[patched_1.12.2.jar:git-Paper-1596]
	at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:774) ~[patched_1.12.2.jar:git-Paper-1596]
	at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:666) ~[patched_1.12.2.jar:git-Paper-1596]
	at java.lang.Thread.run(Unknown Source) [?:1.8.0_152]
Caused by: java.lang.NullPointerException
	at me.MathiasMC.PvPLevels.events.EntityDeath.run(EntityDeath.java:66) ~[?:?]
	at me.MathiasMC.PvPLevels.events.EntityDeath.onEntity(EntityDeath.java:58) ~[?:?]
	at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor698.execute(Unknown Source) ~[?:?]
	at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:70) ~[patched_1.12.2.jar:git-Paper-1596]