HerdCraft error

[Client thread/ERROR] [FML]: The mcmod.info file in HerdCraft-1.7.10-1.1.1.jar cannot be parsed as valid JSON. It will be ignored
com.google.gson.JsonSyntaxException: java.lang.IllegalStateException: Expected STRING but was NULL
	at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.read(ReflectiveTypeAdapterFactory.java:176) ~[ReflectiveTypeAdapterFactory$Adapter.class:?]
	at com.google.gson.Gson.fromJson(Gson.java:803) ~[Gson.class:?]
	at com.google.gson.Gson.fromJson(Gson.java:868) ~[Gson.class:?]
	at com.google.gson.Gson.fromJson(Gson.java:841) ~[Gson.class:?]
	at cpw.mods.fml.common.MetadataCollection.from(MetadataCollection.java:64) [MetadataCollection.class:?]
	at cpw.mods.fml.common.discovery.JarDiscoverer.discover(JarDiscoverer.java:53) [JarDiscoverer.class:?]
	at cpw.mods.fml.common.discovery.ContainerType.findMods(ContainerType.java:42) [ContainerType.class:?]
	at cpw.mods.fml.common.discovery.ModCandidate.explore(ModCandidate.java:71) [ModCandidate.class:?]
	at cpw.mods.fml.common.discovery.ModDiscoverer.identifyMods(ModDiscoverer.java:131) [ModDiscoverer.class:?]
	at cpw.mods.fml.common.Loader.identifyMods(Loader.java:364) [Loader.class:?]
	at cpw.mods.fml.common.Loader.loadMods(Loader.java:489) [Loader.class:?]
	at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:208) [FMLClientHandler.class:?]
	at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:480) [bao.class:?]
	at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:878) [bao.class:?]
	at net.minecraft.client.main.Main.main(SourceFile:148) [Main.class:?]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_66]
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_66]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_66]
	at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_66]
	at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) [launchwrapper-1.12.jar:?]
	at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.12.jar:?]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_66]
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_66]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_66]
	at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_66]
	at org.multimc.onesix.OneSixLauncher.launchWithMainClass(OneSixLauncher.java:310) [NewLaunch.jar:?]
	at org.multimc.onesix.OneSixLauncher.launch(OneSixLauncher.java:394) [NewLaunch.jar:?]
	at org.multimc.EntryPoint.listen(EntryPoint.java:170) [NewLaunch.jar:?]
	at org.multimc.EntryPoint.main(EntryPoint.java:54) [NewLaunch.jar:?]
Caused by: java.lang.IllegalStateException: Expected STRING but was NULL
	at com.google.gson.internal.bind.JsonTreeReader.nextString(JsonTreeReader.java:154) ~[JsonTreeReader.class:?]
	at cpw.mods.fml.common.MetadataCollection$ArtifactVersionAdapter.read(MetadataCollection.java:120) ~[MetadataCollection$ArtifactVersionAdapter.class:?]
	at cpw.mods.fml.common.MetadataCollection$ArtifactVersionAdapter.read(MetadataCollection.java:108) ~[MetadataCollection$ArtifactVersionAdapter.class:?]
	at com.google.gson.internal.bind.TypeAdapterRuntimeTypeWrapper.read(TypeAdapterRuntimeTypeWrapper.java:40) ~[TypeAdapterRuntimeTypeWrapper.class:?]
	at com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.read(CollectionTypeAdapterFactory.java:81) ~[CollectionTypeAdapterFactory$Adapter.class:?]
	at com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.read(CollectionTypeAdapterFactory.java:60) ~[CollectionTypeAdapterFactory$Adapter.class:?]
	at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$1.read(ReflectiveTypeAdapterFactory.java:93) ~[ReflectiveTypeAdapterFactory$1.class:?]
	at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.read(ReflectiveTypeAdapterFactory.java:172) ~[ReflectiveTypeAdapterFactory$Adapter.class:?]
	... 28 more