Could not pass event EntityDamageByEntityEvent to ImperialPoteri v1.0
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:302) ~[spigot.jar:git-PaperSpigot-"4c7641d"]
        at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78) ~[spigot.jar:git-PaperSpigot-"4c7641d"]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot.jar:git-PaperSpigot-"4c7641d"]
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:517) [spigot.jar:git-PaperSpigot-"4c7641d"]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:502) [spigot.jar:git-PaperSpigot-"4c7641d"]
        at org.bukkit.craftbukkit.v1_8_R3.event.CraftEventFactory.callEvent(CraftEventFactory.java:87) [spigot.jar:git-PaperSpigot-"4c7641d"]
        at org.bukkit.craftbukkit.v1_8_R3.event.CraftEventFactory.handleEntityDamageEvent(CraftEventFactory.java:445) [spigot.jar:git-PaperSpigot-"4c7641d"]
        at org.bukkit.craftbukkit.v1_8_R3.event.CraftEventFactory.handleLivingEntityDamageEvent(CraftEventFactory.java:585) [spigot.jar:git-PaperSpigot-"4c7641d"]
        at net.minecraft.server.v1_8_R3.EntityLiving.d(EntityLiving.java:1112) [spigot.jar:git-PaperSpigot-"4c7641d"]
        at net.minecraft.server.v1_8_R3.EntityHuman.d(EntityHuman.java:860) [spigot.jar:git-PaperSpigot-"4c7641d"]
        at net.minecraft.server.v1_8_R3.EntityLiving.damageEntity(EntityLiving.java:748) [spigot.jar:git-PaperSpigot-"4c7641d"]
        at net.minecraft.server.v1_8_R3.EntityHuman.damageEntity(EntityHuman.java:801) [spigot.jar:git-PaperSpigot-"4c7641d"]
        at net.minecraft.server.v1_8_R3.EntityPlayer.damageEntity(EntityPlayer.java:504) [spigot.jar:git-PaperSpigot-"4c7641d"]
        at net.minecraft.server.v1_8_R3.Explosion.a(Explosion.java:138) [spigot.jar:git-PaperSpigot-"4c7641d"]
        at net.minecraft.server.v1_8_R3.World.createExplosion(World.java:1916) [spigot.jar:git-PaperSpigot-"4c7641d"]
        at net.minecraft.server.v1_8_R3.WorldServer.createExplosion(WorldServer.java:1053) [spigot.jar:git-PaperSpigot-"4c7641d"]
        at net.minecraft.server.v1_8_R3.EntityTNTPrimed.explode(EntityTNTPrimed.java:116) [spigot.jar:git-PaperSpigot-"4c7641d"]
        at net.minecraft.server.v1_8_R3.EntityTNTPrimed.t_(EntityTNTPrimed.java:87) [spigot.jar:git-PaperSpigot-"4c7641d"]
        at net.minecraft.server.v1_8_R3.World.entityJoinedWorld(World.java:1650) [spigot.jar:git-PaperSpigot-"4c7641d"]
        at net.minecraft.server.v1_8_R3.World.g(World.java:1617) [spigot.jar:git-PaperSpigot-"4c7641d"]
        at net.minecraft.server.v1_8_R3.World.tickEntities(World.java:1450) [spigot.jar:git-PaperSpigot-"4c7641d"]
        at net.minecraft.server.v1_8_R3.WorldServer.tickEntities(WorldServer.java:600) [spigot.jar:git-PaperSpigot-"4c7641d"]
        at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:846) [spigot.jar:git-PaperSpigot-"4c7641d"]
        at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:378) [spigot.jar:git-PaperSpigot-"4c7641d"]
        at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:713) [spigot.jar:git-PaperSpigot-"4c7641d"]
        at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:616) [spigot.jar:git-PaperSpigot-"4c7641d"]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_242]
Caused by: java.lang.ClassCastException