crash.txt

[20:18:42] [Server thread/ERROR] [FML/]: An Entity type com.robrit.moofluids.common.entity.EntityFluidCow has thrown an exception trying to write state. It will not persist. Report this to the mod author
net.minecraft.util.ReportedException: Saving entity NBT
	at net.minecraft.entity.Entity.func_70109_d(Entity.java:1359) ~[sa.class:?]
	at net.minecraft.entity.Entity.func_70039_c(Entity.java:1298) ~[sa.class:?]
	at net.minecraft.world.chunk.storage.AnvilChunkLoader.func_75820_a(AnvilChunkLoader.java:346) [aqk.class:?]
	at net.minecraft.world.chunk.storage.AnvilChunkLoader.func_75816_a(AnvilChunkLoader.java:197) [aqk.class:?]
	at net.minecraft.world.gen.ChunkProviderServer.func_73242_b(ChunkProviderServer.java:256) [ms.class:?]
	at net.minecraft.world.gen.ChunkProviderServer.func_73151_a(ChunkProviderServer.java:302) [ms.class:?]
	at net.minecraft.world.WorldServer.func_73044_a(WorldServer.java:809) [mt.class:?]
	at net.minecraft.server.MinecraftServer.func_71267_a(MinecraftServer.java:318) [MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:569) [MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:427) [MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685) [li.class:?]
Caused by: java.lang.NullPointerException
	at com.robrit.moofluids.common.entity.EntityFluidCow.func_70014_b(EntityFluidCow.java:313) ~[EntityFluidCow.class:?]
	at net.minecraft.entity.Entity.func_70109_d(Entity.java:1342) ~[sa.class:?]
	... 10 more