[15:43:09 ERROR]: Could not pass event EntityDamageByEntityEvent to MazeRunner v1.0

org.bukkit.event.EventException: null

at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:72) ~[PaperSpigot-1.12.2.jar:git-Paper-1574]

at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78) ~[PaperSpigot-1.12.2.jar:git-Paper-1574]

at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[PaperSpigot-1.12.2.jar:git-Paper-1574]

at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:513) ~[PaperSpigot-1.12.2.jar:git-Paper-1574]

at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.callEvent(CraftEventFactory.java:94) ~[PaperSpigot-1.12.2.jar:git-Paper-1574]

at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.callEntityDamageEvent(CraftEventFactory.java:620) ~[PaperSpigot-1.12.2.jar:git-Paper-1574]

at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.handleEntityDamageEvent(CraftEventFactory.java:523) ~[PaperSpigot-1.12.2.jar:git-Paper-1574]

at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.handleLivingEntityDamageEvent(CraftEventFactory.java:652) ~[PaperSpigot-1.12.2.jar:git-Paper-1574]

at net.minecraft.server.v1_12_R1.EntityLiving.damageEntity0(EntityLiving.java:1415) ~[PaperSpigot-1.12.2.jar:git-Paper-1574]

at net.minecraft.server.v1_12_R1.EntityHuman.damageEntity0(EntityHuman.java:860) ~[PaperSpigot-1.12.2.jar:git-Paper-1574]

at net.minecraft.server.v1_12_R1.EntityLiving.damageEntity(EntityLiving.java:888) ~[PaperSpigot-1.12.2.jar:git-Paper-1574]

at net.minecraft.server.v1_12_R1.EntityHuman.damageEntity(EntityHuman.java:773) ~[PaperSpigot-1.12.2.jar:git-Paper-1574]

at net.minecraft.server.v1_12_R1.EntityPlayer.damageEntity(EntityPlayer.java:629) ~[PaperSpigot-1.12.2.jar:git-Paper-1574]

at net.minecraft.server.v1_12_R1.EntityMonster.B(EntityMonster.java:68) ~[PaperSpigot-1.12.2.jar:git-Paper-1574]

at net.minecraft.server.v1_12_R1.EntityZombie.B(EntityZombie.java:202) ~[PaperSpigot-1.12.2.jar:git-Paper-1574]

at net.minecraft.server.v1_12_R1.PathfinderGoalMeleeAttack.a(SourceFile:127) ~[PaperSpigot-1.12.2.jar:git-Paper-1574]

at net.minecraft.server.v1_12_R1.PathfinderGoalMeleeAttack.e(SourceFile:119) ~[PaperSpigot-1.12.2.jar:git-Paper-1574]

at net.minecraft.server.v1_12_R1.PathfinderGoalZombieAttack.e(SourceFile:28) ~[PaperSpigot-1.12.2.jar:git-Paper-1574]

at net.minecraft.server.v1_12_R1.PathfinderGoalSelector.a(SourceFile:129) ~[PaperSpigot-1.12.2.jar:git-Paper-1574]

at net.minecraft.server.v1_12_R1.EntityInsentient.doTick(EntityInsentient.java:679) ~[PaperSpigot-1.12.2.jar:git-Paper-1574]

at net.minecraft.server.v1_12_R1.EntityLiving.n(EntityLiving.java:2171) ~[PaperSpigot-1.12.2.jar:git-Paper-1574]

at net.minecraft.server.v1_12_R1.EntityInsentient.n(EntityInsentient.java:508) ~[PaperSpigot-1.12.2.jar:git-Paper-1574]

at net.minecraft.server.v1_12_R1.EntityMonster.n(EntityMonster.java:24) ~[PaperSpigot-1.12.2.jar:git-Paper-1574]

at net.minecraft.server.v1_12_R1.EntityZombie.n(EntityZombie.java:155) ~[PaperSpigot-1.12.2.jar:git-Paper-1574]

at net.minecraft.server.v1_12_R1.EntityLiving.B_(EntityLiving.java:2024) ~[PaperSpigot-1.12.2.jar:git-Paper-1574]

at net.minecraft.server.v1_12_R1.EntityInsentient.B_(EntityInsentient.java:247) ~[PaperSpigot-1.12.2.jar:git-Paper-1574]

at net.minecraft.server.v1_12_R1.EntityMonster.B_(EntityMonster.java:28) ~[PaperSpigot-1.12.2.jar:git-Paper-1574]

at net.minecraft.server.v1_12_R1.World.entityJoinedWorld(World.java:1794) ~[PaperSpigot-1.12.2.jar:git-Paper-1574]

at net.minecraft.server.v1_12_R1.World.h(World.java:1764) ~[PaperSpigot-1.12.2.jar:git-Paper-1574]

at net.minecraft.server.v1_12_R1.World.tickEntities(World.java:1571) ~[PaperSpigot-1.12.2.jar:git-Paper-1574]

at net.minecraft.server.v1_12_R1.WorldServer.tickEntities(WorldServer.java:683) ~[PaperSpigot-1.12.2.jar:git-Paper-1574]

at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:921) ~[PaperSpigot-1.12.2.jar:git-Paper-1574]

at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:423) ~[PaperSpigot-1.12.2.jar:git-Paper-1574]

at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:774) ~[PaperSpigot-1.12.2.jar:git-Paper-1574]

at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:666) ~[PaperSpigot-1.12.2.jar:git-Paper-1574]

at java.lang.Thread.run(Thread.java:748) [?:1.8.0_181]

Caused by: java.lang.IllegalArgumentException: bound must be positive

at java.util.Random.nextInt(Random.java:388) ~[?:1.8.0_181]

at me.ShewRadical.MazeRunner.MobsEvents.EntityHitEntityEvent(MobsEvents.java:24) ~[?:?]

at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor1024.execute(Unknown Source) ~[?:?]

at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:70) ~[PaperSpigot-1.12.2.jar:git-Paper-1574]

... 35 more