[19:09:40] [Server thread/ERROR]: Could not pass event EntityDamageByEntityEvent to Gangs v${version}
org.bukkit.event.EventException: null
	at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:72) ~[patched_1.12.2.jar:git-Paper-1594]
	at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78) ~[patched_1.12.2.jar:git-Paper-1594]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[patched_1.12.2.jar:git-Paper-1594]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:513) ~[patched_1.12.2.jar:git-Paper-1594]
	at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.callEvent(CraftEventFactory.java:94) ~[patched_1.12.2.jar:git-Paper-1594]
	at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.callEntityDamageEvent(CraftEventFactory.java:620) ~[patched_1.12.2.jar:git-Paper-1594]
	at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.handleEntityDamageEvent(CraftEventFactory.java:523) ~[patched_1.12.2.jar:git-Paper-1594]
	at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.handleLivingEntityDamageEvent(CraftEventFactory.java:652) ~[patched_1.12.2.jar:git-Paper-1594]
	at net.minecraft.server.v1_12_R1.EntityLiving.damageEntity0(EntityLiving.java:1415) ~[patched_1.12.2.jar:git-Paper-1594]
	at net.minecraft.server.v1_12_R1.EntityHuman.damageEntity0(EntityHuman.java:860) ~[patched_1.12.2.jar:git-Paper-1594]
	at net.minecraft.server.v1_12_R1.EntityLiving.damageEntity(EntityLiving.java:888) ~[patched_1.12.2.jar:git-Paper-1594]
	at net.minecraft.server.v1_12_R1.EntityHuman.damageEntity(EntityHuman.java:773) ~[patched_1.12.2.jar:git-Paper-1594]
	at net.minecraft.server.v1_12_R1.EntityPlayer.damageEntity(EntityPlayer.java:629) ~[patched_1.12.2.jar:git-Paper-1594]
	at net.citizensnpcs.nms.v1_12_R1.entity.EntityHumanNPC.damageEntity(EntityHumanNPC.java:174) ~[?:?]
	at net.minecraft.server.v1_12_R1.EntityHuman.attack(EntityHuman.java:1028) ~[patched_1.12.2.jar:git-Paper-1594]
	at net.minecraft.server.v1_12_R1.EntityPlayer.attack(EntityPlayer.java:1390) ~[patched_1.12.2.jar:git-Paper-1594]
	at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:1710) ~[patched_1.12.2.jar:git-Paper-1594]
	at net.minecraft.server.v1_12_R1.PacketPlayInUseEntity.a(PacketPlayInUseEntity.java:49) ~[patched_1.12.2.jar:git-Paper-1594]
	at net.minecraft.server.v1_12_R1.PacketPlayInUseEntity.a(PacketPlayInUseEntity.java:6) ~[patched_1.12.2.jar:git-Paper-1594]
	at net.minecraft.server.v1_12_R1.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:14) ~[patched_1.12.2.jar:git-Paper-1594]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:1.8.0_222]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_222]
	at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46) ~[patched_1.12.2.jar:git-Paper-1594]
	at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:850) ~[patched_1.12.2.jar:git-Paper-1594]
	at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:423) ~[patched_1.12.2.jar:git-Paper-1594]
	at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:774) ~[patched_1.12.2.jar:git-Paper-1594]
	at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:666) ~[patched_1.12.2.jar:git-Paper-1594]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_222]
Caused by: java.lang.NullPointerException: player
	at java.util.Objects.requireNonNull(Objects.java:228) ~[?:1.8.0_222]
	at me.lucko.luckperms.bukkit.vault.AbstractVaultPermission.playerRemove(AbstractVaultPermission.java:201) ~[?:?]
	at us.carlosmendez.commissions.gangs.struct.GPlayer.<init>(GPlayer.java:90) ~[?:?]
	at us.carlosmendez.commissions.gangs.cache.GPlayerCache.getGPlayer(GPlayerCache.java:25) ~[?:?]
	at us.carlosmendez.commissions.gangs.listeners.PlayerActivity.onAttack(PlayerActivity.java:286) ~[?:?]
	at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor865.execute(Unknown Source) ~[?:?]
	at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:70) ~[patched_1.12.2.jar:git-Paper-1594]
	... 27 more