[00:31:18] [Server thread/ERROR]: Could not pass event EntityDamageByEntityEvent to uSkyBlock v2.5.3-bukkit-1.7.9
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:338) ~[JavaPluginLoader$1.class:KCauldron-1.7.10-2.1403.1.54]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[RegisteredListener.class:KCauldron-1.7.10-2.1403.1.54]
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:507) [SimplePluginManager.class:KCauldron-1.7.10-2.1403.1.54]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:492) [SimplePluginManager.class:KCauldron-1.7.10-2.1403.1.54]
	at org.bukkit.craftbukkit.v1_7_R4.event.CraftEventFactory.callEvent(CraftEventFactory.java:102) [CraftEventFactory.class:KCauldron-1.7.10-2.1403.1.54]
	at org.bukkit.craftbukkit.v1_7_R4.event.CraftEventFactory.callEntityDamageEvent(CraftEventFactory.java:597) [CraftEventFactory.class:KCauldron-1.7.10-2.1403.1.54]
	at org.bukkit.craftbukkit.v1_7_R4.event.CraftEventFactory.handleEntityDamageEvent(CraftEventFactory.java:465) [CraftEventFactory.class:KCauldron-1.7.10-2.1403.1.54]
	at org.bukkit.craftbukkit.v1_7_R4.event.CraftEventFactory.handleLivingEntityDamageEvent(CraftEventFactory.java:629) [CraftEventFactory.class:KCauldron-1.7.10-2.1403.1.54]
	at net.minecraft.entity.EntityLivingBase.damageEntity_CB(EntityLivingBase.java:1381) [sv.class:?]
	at net.minecraft.entity.EntityLivingBase.func_70097_a(EntityLivingBase.java:891) [sv.class:?]
	at net.minecraft.entity.monster.EntityMob.func_70097_a(EntityMob.java:71) [yg.class:?]
	at com.rwtema.extrautils.block.BlockSpike.doPlayerLastHit(BlockSpike.java:389) [BlockSpike.class:?]
	at com.rwtema.extrautils.block.BlockSpikeDiamond.func_149670_a(BlockSpikeDiamond.java:62) [BlockSpikeDiamond.class:?]
	at net.minecraft.entity.Entity.func_145775_I(Entity.java:1062) [sa.class:?]
	at net.minecraft.entity.Entity.func_70091_d(Entity.java:618) [sa.class:?]
	at net.minecraft.entity.EntityLivingBase.func_70612_e(EntityLivingBase.java:1776) [sv.class:?]
	at net.minecraft.entity.EntityLivingBase.func_70636_d(EntityLivingBase.java:2108) [sv.class:?]
	at net.minecraft.entity.EntityLiving.func_70636_d(EntityLiving.java:388) [sw.class:?]
	at net.minecraft.entity.monster.EntityMob.func_70636_d(EntityMob.java:36) [yg.class:?]
	at net.minecraft.entity.EntityLivingBase.func_70071_h_(EntityLivingBase.java:1899) [sv.class:?]
	at net.minecraft.entity.EntityLiving.func_70071_h_(EntityLiving.java:213) [sw.class:?]
	at net.minecraft.entity.monster.EntityMob.func_70071_h_(EntityMob.java:41) [yg.class:?]
	at net.minecraft.entity.monster.EntitySpider.func_70071_h_(EntitySpider.java:37) [yn.class:?]
	at net.minecraft.world.World.func_72866_a(World.java:2643) [ahb.class:?]
	at net.minecraft.world.WorldServer.func_72866_a(WorldServer.java:832) [mt.class:?]
	at net.minecraft.world.World.func_72870_g(World.java:2596) [ahb.class:?]
	at net.minecraft.world.World.func_72939_s(World.java:2409) [ahb.class:?]
	at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:664) [mt.class:?]
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:943) [MinecraftServer.class:?]
	at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:430) [lt.class:?]
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:798) [MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:658) [MinecraftServer.class:?]
	at java.lang.Thread.run(Unknown Source) [?:1.8.0_71]
Caused by: us.talabrek.ultimateskyblock.guava.cache.CacheLoader$InvalidCacheLoadException: CacheLoader returned null for key c1fc3ace-e6b2-37ed-a575-03e0d777d7f1.
	at us.talabrek.ultimateskyblock.guava.cache.LocalCache$Segment.getAndRecordStats(LocalCache.java:2350) ~[?:?]
	at us.talabrek.ultimateskyblock.guava.cache.LocalCache$Segment.loadSync(LocalCache.java:2320) ~[?:?]
	at us.talabrek.ultimateskyblock.guava.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2282) ~[?:?]
	at us.talabrek.ultimateskyblock.guava.cache.LocalCache$Segment.get(LocalCache.java:2197) ~[?:?]
	at us.talabrek.ultimateskyblock.guava.cache.LocalCache.get(LocalCache.java:3937) ~[?:?]
	at us.talabrek.ultimateskyblock.guava.cache.LocalCache.getOrLoad(LocalCache.java:3941) ~[?:?]
	at us.talabrek.ultimateskyblock.guava.cache.LocalCache$LocalLoadingCache.get(LocalCache.java:4824) ~[?:?]
	at us.talabrek.ultimateskyblock.player.PlayerLogic.getPlayerInfo(PlayerLogic.java:137) ~[?:?]
	at us.talabrek.ultimateskyblock.player.PlayerLogic.getPlayerInfo(PlayerLogic.java:127) ~[?:?]
	at us.talabrek.ultimateskyblock.uSkyBlock.locationIsOnIsland(uSkyBlock.java:773) ~[?:?]
	at us.talabrek.ultimateskyblock.uSkyBlock.playerIsOnIsland(uSkyBlock.java:737) ~[?:?]
	at us.talabrek.ultimateskyblock.event.GriefEvents.onEntityDamage(GriefEvents.java:91) ~[?:?]
	at sun.reflect.GeneratedMethodAccessor164.invoke(Unknown Source) ~[?:?]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_71]
	at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_71]
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:334) ~[JavaPluginLoader$1.class:KCauldron-1.7.10-2.1403.1.54]
	... 32 more