Could not pass event EntityDamageByEntityEvent to MMOItems v4.6.2
org.bukkit.event.EventException: null
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:306) ~[spigot-1.12.2.jar:git-Spigot-dcd1643-e60fc34]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot-1.12.2.jar:git-Spigot-dcd1643-e60fc34]
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:500) [spigot-1.12.2.jar:git-Spigot-dcd1643-e60fc34]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:485) [spigot-1.12.2.jar:git-Spigot-dcd1643-e60fc34]
        at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.callEvent(CraftEventFactory.java:93) [spigot-1.12.2.jar:git-Spigot-dcd1643-e60fc34]
        at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.callEntityDamageEvent(CraftEventFactory.java:580) [spigot-1.12.2.jar:git-Spigot-dcd1643-e60fc34]
        at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.handleEntityDamageEvent(CraftEventFactory.java:483) [spigot-1.12.2.jar:git-Spigot-dcd1643-e60fc34]
        at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.handleLivingEntityDamageEvent(CraftEventFactory.java:612) [spigot-1.12.2.jar:git-Spigot-dcd1643-e60fc34]
        at net.minecraft.server.v1_12_R1.EntityLiving.damageEntity0(EntityLiving.java:1346) [spigot-1.12.2.jar:git-Spigot-dcd1643-e60fc34]
        at net.minecraft.server.v1_12_R1.EntityLiving.damageEntity(EntityLiving.java:868) [spigot-1.12.2.jar:git-Spigot-dcd1643-e60fc34]
        at net.minecraft.server.v1_12_R1.EntityMonster.damageEntity(EntityMonster.java:44) [spigot-1.12.2.jar:git-Spigot-dcd1643-e60fc34]
        at org.bukkit.craftbukkit.v1_12_R1.entity.CraftLivingEntity.damage(CraftLivingEntity.java:201) [spigot-1.12.2.jar:git-Spigot-dcd1643-e60fc34]
        at org.mcmonkey.sentinel.SentinelWeaponHelper.punch(SentinelWeaponHelper.java:223) [Sentinel-1.9.2-b261.jar:?]
        at org.mcmonkey.sentinel.SentinelAttackHelper.tryAttackInternal(SentinelAttackHelper.java:380) [Sentinel-1.9.2-b261.jar:?]
        at org.mcmonkey.sentinel.SentinelAttackHelper.tryAttack(SentinelAttackHelper.java:66) [Sentinel-1.9.2-b261.jar:?]
        at org.mcmonkey.sentinel.SentinelTrait.runUpdate(SentinelTrait.java:1076) [Sentinel-1.9.2-b261.jar:?]
        at org.mcmonkey.sentinel.SentinelTrait.run(SentinelTrait.java:1285) [Sentinel-1.9.2-b261.jar:?]
        at net.citizensnpcs.api.npc.AbstractNPC.update(AbstractNPC.java:428) [Citizens.jar:?]
        at net.citizensnpcs.npc.CitizensNPC.update(CitizensNPC.java:283) [Citizens.jar:?]
        at net.citizensnpcs.nms.v1_12_R1.entity.EntityHumanNPC.B_(EntityHumanNPC.java:167) [Citizens.jar:?]
        at net.minecraft.server.v1_12_R1.World.entityJoinedWorld(World.java:1631) [spigot-1.12.2.jar:git-Spigot-dcd1643-e60fc34]
        at net.citizensnpcs.nms.v1_12_R1.util.NMSImpl.tick(NMSImpl.java:1015) [Citizens.jar:?]
        at net.citizensnpcs.util.NMS.tick(NMS.java:318) [Citizens.jar:?]
        at net.citizensnpcs.util.PlayerUpdateTask.run(PlayerUpdateTask.java:36) [Citizens.jar:?]
        at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) [spigot-1.12.2.jar:git-Spigot-dcd1643-e60fc34]
        at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:361) [spigot-1.12.2.jar:git-Spigot-dcd1643-e60fc34]
        at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:739) [spigot-1.12.2.jar:git-Spigot-dcd1643-e60fc34]
        at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot-1.12.2.jar:git-Spigot-dcd1643-e60fc34]
        at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar:git-Spigot-dcd1643-e60fc34]
        at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar:git-Spigot-dcd1643-e60fc34]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_212]
Caused by: java.lang.NullPointerException
        at net.Indyuce.mmoitems.listener.ItemUse.b(ItemUse.java:106) ~[MMOItems%20Legacy.jar:?]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_212]
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_212]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_212]
        at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_212]
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:302) ~[spigot-1.12.2.jar:git-Spigot-dcd1643-e60fc34]
        ... 30 more