Hi I am trying to model a ring and create an extruded gridline on top. I have the sketch set but for some reason it says that it would result in zero thickness geometry. I'm trying to find where the problem is and I keep redoing the sketch but get the same results.

I am also wanting to try and inscribe the inside of the ring with text. I attempted to do a wrap text to the inside surface, but there is an error because it is not recognizing the inner surface as cylindrical because this was create using a series of lofts. Should I just delete the lower half and do a sweep/extrusion instead and then wrap to that?