之前没出现过 今天从中午开始就出现这个报错然后服务器崩溃重启 没找到原因  之前用的r59版本的拔刀剑 换成r62的依然不行 有人遇到过么

Description: Ticking entity

java.lang.NullPointerException: Ticking entity
        at mods.flammpfeil.slashblade.EntityDirectAttackDummy.func_70071_h_(EntityDirectAttackDummy.java:130)
        at net.minecraft.world.World.func_72866_a(World.java:2605)
        at net.minecraft.world.WorldServer.func_72866_a(WorldServer.java:841)
        at net.minecraft.world.World.func_72870_g(World.java:2559)
        at net.minecraft.world.World.func_72939_s(World.java:2383)
        at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:672)
        at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:917)
        at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:432)
        at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:783)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:646)
        at java.lang.Thread.run(Unknown Source)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Stacktrace:
        at mods.flammpfeil.slashblade.EntityDirectAttackDummy.func_70071_h_(EntityDirectAttackDummy.java:130)
        at net.minecraft.world.World.func_72866_a(World.java:2605)
        at net.minecraft.world.WorldServer.func_72866_a(WorldServer.java:841)
        at net.minecraft.world.World.func_72870_g(World.java:2559)