It does not appear possible to enter skill ranks on the main Runes skills, I'm limited to the subskills which I don't think should have ranks developed on them (I could be mistaken).
This issue is compounded by the fact that the culture (Shallow Warren in my case) places the culture on the main skill.
As a quick fix I commented out the subskills but I would like to know if there's a way to properly correct this?