[12:41:30 ERROR]: Could not pass event EntityDamageByEntityEvent to QuantumRPG v4.2.2-BETA
org.bukkit.event.EventException: null
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:316) ~[spigot.jar:git-Spigot-1a3504a-dfa7583]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:66) ~[spigot.jar:git-Spigot-1a3504a-dfa7583]
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:507) ~[spigot.jar:git-Spigot-1a3504a-dfa7583]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:492) ~[spigot.jar:git-Spigot-1a3504a-dfa7583]
        at org.bukkit.craftbukkit.v1_13_R2.event.CraftEventFactory.callEvent(CraftEventFactory.java:102) ~[spigot.jar:git-Spigot-1a3504a-dfa7583]
        at org.bukkit.craftbukkit.v1_13_R2.event.CraftEventFactory.callEntityDamageEvent(CraftEventFactory.java:762) ~[spigot.jar:git-Spigot-1a3504a-dfa7583]
        at org.bukkit.craftbukkit.v1_13_R2.event.CraftEventFactory.handleEntityDamageEvent(CraftEventFactory.java:661) ~[spigot.jar:git-Spigot-1a3504a-dfa7583]
        at org.bukkit.craftbukkit.v1_13_R2.event.CraftEventFactory.handleLivingEntityDamageEvent(CraftEventFactory.java:794) ~[spigot.jar:git-Spigot-1a3504a-dfa7583]
        at net.minecraft.server.v1_13_R2.EntityLiving.damageEntity0(EntityLiving.java:1445) ~[spigot.jar:git-Spigot-1a3504a-dfa7583]
        at net.minecraft.server.v1_13_R2.EntityLiving.damageEntity(EntityLiving.java:967) ~[spigot.jar:git-Spigot-1a3504a-dfa7583]
        at net.minecraft.server.v1_13_R2.EntityHuman.attack(EntityHuman.java:1044) ~[spigot.jar:git-Spigot-1a3504a-dfa7583]
        at net.minecraft.server.v1_13_R2.EntityPlayer.attack(EntityPlayer.java:1349) ~[spigot.jar:git-Spigot-1a3504a-dfa7583]
        at net.minecraft.server.v1_13_R2.PlayerConnection.a(PlayerConnection.java:1841) ~[spigot.jar:git-Spigot-1a3504a-dfa7583]
        at net.minecraft.server.v1_13_R2.PacketPlayInUseEntity.a(SourceFile:69) ~[spigot.jar:git-Spigot-1a3504a-dfa7583]
        at net.minecraft.server.v1_13_R2.PacketPlayInUseEntity.a(SourceFile:13) ~[spigot.jar:git-Spigot-1a3504a-dfa7583]
        at net.minecraft.server.v1_13_R2.PlayerConnectionUtils.lambda$0(PlayerConnectionUtils.java:9) ~[spigot.jar:git-Spigot-1a3504a-dfa7583]
        at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.8.0_211]
        at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.8.0_211]
        at net.minecraft.server.v1_13_R2.SystemUtils.a(SourceFile:199) [spigot.jar:git-Spigot-1a3504a-dfa7583]
        at net.minecraft.server.v1_13_R2.MinecraftServer.b(MinecraftServer.java:896) [spigot.jar:git-Spigot-1a3504a-dfa7583]
        at net.minecraft.server.v1_13_R2.DedicatedServer.b(DedicatedServer.java:417) [spigot.jar:git-Spigot-1a3504a-dfa7583]
        at net.minecraft.server.v1_13_R2.MinecraftServer.a(MinecraftServer.java:831) [spigot.jar:git-Spigot-1a3504a-dfa7583]
        at net.minecraft.server.v1_13_R2.MinecraftServer.run(MinecraftServer.java:729) [spigot.jar:git-Spigot-1a3504a-dfa7583]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_211]
Caused by: java.lang.NullPointerException