Some issue in generic

[JourneyHans]

My usage is like this:

then it gives me an error on here:

error is:
ArgumentException: The number of generic arguments provided doesn't equal the arity of the generic type definition.
Parameter name: instantiation
System.RuntimeType.MakeGenericType (System.Type[] instantiation) (at :0)
UndoPro.SerializableActionHelper.SerializableObjectOneLevel.Serialize () (at Assets/UndoPro/SerializableAction/SerializableObject.cs:282)
UndoPro.SerializableActionHelper.SerializableObject.Serialize () (at Assets/UndoPro/SerializableAction/SerializableObject.cs:41)
UndoPro.SerializableActionHelper.SerializableObjectOneLevel..ctor (System.Object srcObject) (at Assets/UndoPro/SerializableAction/SerializableObject.cs:254)
UndoPro.SerializableActionHelper.SerializableObject..ctor (System.Object srcObject) (at Assets/UndoPro/SerializableAction/SerializableObject.cs:25)
UndoPro.SerializableActionHelper.SerializableAction.SerializeAction (System.Action srcAction) (at Assets/UndoPro/SerializableAction/SerializableAction.cs:92)
UndoPro.SerializableActionHelper.SerializableAction..ctor (System.Action srcAction) (at Assets/UndoPro/SerializableAction/SerializableAction.cs:45)
UndoPro.UndoProRecord..ctor (System.Action PerformAction, System.Action UndoAction, System.String Label, System.Int32 stackPosition) (at Assets/UndoPro/UndoProRecords.cs:150)

[JourneyHans]

Add undo function on every specific function works fine.