版本1.7.10 核心Contigo-1.7.10-1614  出现这个就开始崩溃了。求助[12:22:10] [Server thread/ERROR]: Encountered an unexpected exception
net.minecraft.util.ReportedException: Ticking entity
        at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:1003) ~[MinecraftServer.class:?]
        at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:432) ~[lt.class:?]
        at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:841) ~[MinecraftServer.class:?]
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:693) [MinecraftServer.class:?]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_251]
Caused by: java.util.ConcurrentModificationException
        at java.util.HashMap$HashIterator.nextNode(Unknown Source) ~[?:1.8.0_251]
        at java.util.HashMap$KeyIterator.next(Unknown Source) ~[?:1.8.0_251]
        at net.minecraft.entity.EntityLivingBase.func_70679_bo(EntityLivingBase.java:589) ~[sv.class:?]
        at net.minecraft.entity.EntityLivingBase.func_70030_z(EntityLivingBase.java:330) ~[sv.class:?]
        at net.minecraft.entity.EntityLiving.func_70030_z(EntityLiving.java:164) ~[sw.class:?]
        at net.minecraft.entity.Entity.func_70071_h_(Entity.java:417) ~[sa.class:?]
        at net.minecraft.entity.EntityLivingBase.func_70071_h_(EntityLivingBase.java:1903) ~[sv.class:?]
        at net.minecraft.entity.EntityLiving.func_70071_h_(EntityLiving.java:213) ~[sw.class:?]
        at noppes.npcs.entity.EntityNPCInterface.func_70071_h_(EntityNPCInterface.java:246) ~[EntityNPCInterface.class:?]
        at noppes.npcs.entity.EntityCustomNpc.func_70071_h_(EntityCustomNpc.java:34) ~[EntityCustomNpc.class:?]
        at net.minecraft.world.World.func_72866_a(World.java:2740) ~[ahb.class:?]
        at net.minecraft.world.WorldServer.func_72866_a(WorldServer.java:877) ~[mt.class:?]
        at net.minecraft.world.World.func_72870_g(World.java:2678) ~[ahb.class:?]
        at net.minecraft.world.World.func_72939_s(World.java:2480) ~[ahb.class:?]
        at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:673) ~[mt.class:?]
        at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:986) ~[MinecraftServer.class:?]
        ... 4 more
[12:22:10] [Server thread/ERROR]:         Cause of unexpected exception was
java.util.ConcurrentModificationException
        at java.util.HashMap$HashIterator.nextNode(Unknown Source) ~[?:1.8.0_251]
        at java.util.HashMap$KeyIterator.next(Unknown Source) ~[?:1.8.0_251]
        at net.minecraft.entity.EntityLivingBase.func_70679_bo(EntityLivingBase.java:589) ~[sv.class:?]
        at net.minecraft.entity.EntityLivingBase.func_70030_z(EntityLivingBase.java:330) ~[sv.class:?]
        at net.minecraft.entity.EntityLiving.func_70030_z(EntityLiving.java:164) ~[sw.class:?]
        at net.minecraft.entity.Entity.func_70071_h_(Entity.java:417) ~[sa.class:?]
        at net.minecraft.entity.EntityLivingBase.func_70071_h_(EntityLivingBase.java:1903) ~[sv.class:?]
        at net.minecraft.entity.EntityLiving.func_70071_h_(EntityLiving.java:213) ~[sw.class:?]
        at noppes.npcs.entity.EntityNPCInterface.func_70071_h_(EntityNPCInterface.java:246) ~[EntityNPCInterface.class:?]
        at noppes.npcs.entity.EntityCustomNpc.func_70071_h_(EntityCustomNpc.java:34) ~[EntityCustomNpc.class:?]
        at net.minecraft.world.World.func_72866_a(World.java:2740) ~[ahb.class:?]
        at net.minecraft.world.WorldServer.func_72866_a(WorldServer.java:877) ~[mt.class:?]
        at net.minecraft.world.World.func_72870_g(World.java:2678) ~[ahb.class:?]
        at net.minecraft.world.World.func_72939_s(World.java:2480) ~[ahb.class:?]
        at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:673) ~[mt.class:?]
        at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:986) ~[MinecraftServer.class:?]
        at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:432) ~[lt.class:?]
        at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:841) ~[MinecraftServer.class:?]
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:693) [MinecraftServer.class:?]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_251]

在config文件夹里找到forge.cfg
把removeErroringEntities=false
removeErroringTileEntities=false
都改为true
开启自动清理错误实体功能

好的，我试试看。不崩了在告诉你。