"there are no graphs in the scene" on iOS

Hello
I’m having trouble running the project on iOS.

Caught exception while deserializing data.
System.MissingMethodException: Method not found: ‘Default constructor not found…ctor() of System.ComponentModel.Int32Converter’.
at System.Activator.CreateInstance (System.Type type, Boolean nonPublic) [0x00000] in :0
at System.Activator.CreateInstance (System.Type type) [0x00000] in :0
at System.ComponentModel.TypeDescriptor.GetConverter (System.Type type) [0x00000] in :0
at Pathfinding.Serialization.JsonFx.TypeCoercionUtility.CoerceType (System.Type targetType, System.Object value) [0x00000] in :0
at Pathfinding.Serialization.JsonFx.JsonReader.ReadNumber (System.Type expectedType) [0x00000] in :0
at Pathfinding.Serialization.JsonFx.JsonReader.Read (System.Type expectedType, Boolean typeIsHint) [0x00000] in :0
at Pathfinding.Serialization.JsonFx.JsonReader.PopulateObject (System.Object& result, System.Type objectType, System.Collections.Generic.Dictionary`2 memberMap, System.Type genericDictionaryType) [0x00000] in :0
at Pathfinding.Serialization.JsonFx.JsonReader.ReadObject (System.Type objectType) [0x00000] in :0
at Pathfinding.Serialization.JsonFx.JsonReader.Read (System.Type expectedType, Boolean typeIsHint) [0x00000] in :0
at Pathfinding.Serialization.JsonFx.JsonReader.Deserialize (System.Type type) [0x00000] in :0
at Pathfinding.Serialization.AstarSerializer.DeserializeMeta (Pathfinding.Ionic.Zip.ZipEntry entry) [0x00000] in :0
at Pathfinding.Serialization.AstarSerializer.OpenDeserialize (System.Byte[] bytes) [0x00000] in :0
at Pathfinding.AstarData.DeserializeGraphs (System.Byte[] bytes) [0x00000] in :0

link.xml:
http://pastebin.com/x7rpjrzD

not using the Fast But No Exceptions or micro mscorlib,Is there a step I have missed?

oh,my god,I find my error,sorry