Crash on ticking entity

[XiFengXiaoYun]

Description: Ticking entity

java.lang.NullPointerException: Cannot invoke "net.smileycorp.raids.common.raid.Raider.hasActiveRaid()" because "raider" is null
at net.smileycorp.raids.common.RaidsEventHandler.allowDespawn(RaidsEventHandler.java:209)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_2258_RaidsEventHandler_allowDespawn_AllowDespawn.invoke(.dynamic)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:92)
at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:182)
at net.minecraftforge.event.ForgeEventFactory.canEntityDespawn(ForgeEventFactory.java:284)
at net.minecraft.entity.monster.EntityMob.despawnEntity(EntityMob.java:553)
at net.minecraft.entity.EntityLiving.onUpdateMinimal(EntityLiving.java:1699)
at net.minecraft.entity.EntityLiving.onUpdate(EntityLiving.java:372)
at net.minecraft.entity.monster.EntityMob.onUpdate(EntityMob.java:50)
at net.minecraft.world.World.updateEntityWithOptionalForce(World.java:1996)
at net.minecraft.world.WorldServer.updateEntityWithOptionalForce(WorldServer.java:832)
at net.minecraft.world.World.updateEntity(World.java:1958)
at net.minecraft.world.World.updateEntities(World.java:1762)
at net.minecraft.world.WorldServer.updateEntities(WorldServer.java:613)
at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:767)
at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:668)
at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:279)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:526)
at java.lang.Thread.run(Thread.java:1583)