randmerror

java.lang.NullPointerException: null
[11:50:54 ERROR]: Could not pass event EntityExplodeEvent to ApeironKingdoms v1.1.1
org.bukkit.event.EventException: null
        at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:72) ~[patched_1.13.2.jar:git-Paper-402]
        at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78) ~[patched_1.13.2.jar:git-Paper-402]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[patched_1.13.2.jar:git-Paper-402]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:513) ~[patched_1.13.2.jar:git-Paper-402]
        at net.minecraft.server.v1_13_R2.EntityEnderDragon.b(EntityEnderDragon.java:452) ~[patched_1.13.2.jar:git-Paper-402]
        at net.minecraft.server.v1_13_R2.EntityEnderDragon.k(EntityEnderDragon.java:300) ~[patched_1.13.2.jar:git-Paper-402]
        at net.minecraft.server.v1_13_R2.EntityLiving.tick(EntityLiving.java:2182) ~[patched_1.13.2.jar:git-Paper-402]
        at net.minecraft.server.v1_13_R2.EntityInsentient.tick(EntityInsentient.java:249) ~[patched_1.13.2.jar:git-Paper-402]
        at net.minecraft.server.v1_13_R2.World.entityJoinedWorld(World.java:1619) ~[patched_1.13.2.jar:git-Paper-402]
        at net.minecraft.server.v1_13_R2.World.g(World.java:1586) ~[patched_1.13.2.jar:git-Paper-402]
        at net.minecraft.server.v1_13_R2.World.tickEntities(World.java:1393) ~[patched_1.13.2.jar:git-Paper-402]
        at net.minecraft.server.v1_13_R2.WorldServer.tickEntities(WorldServer.java:614) ~[patched_1.13.2.jar:git-Paper-402]
        at net.minecraft.server.v1_13_R2.MinecraftServer.b(MinecraftServer.java:1092) ~[patched_1.13.2.jar:git-Paper-402]
        at net.minecraft.server.v1_13_R2.DedicatedServer.b(DedicatedServer.java:439) ~[patched_1.13.2.jar:git-Paper-402]
        at net.minecraft.server.v1_13_R2.MinecraftServer.a(MinecraftServer.java:943) ~[patched_1.13.2.jar:git-Paper-402]
        at net.minecraft.server.v1_13_R2.MinecraftServer.run(MinecraftServer.java:841) ~[patched_1.13.2.jar:git-Paper-402]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_181]
Caused by: java.lang.NullPointerException
[11:51:00 WARN]: [ApeironKingdoms] Task #37 for ApeironKingdoms v1.1.1 generated an exception
java.lang.NullPointerException: null