The cross section view looks different than the others in that the wall in question is not grey,
ultimate goal is to be able to step down into the basement.
When I lowered the Absolute elevation value in label " Family Room " the last wall started to mis-behave
There are no first floor walls, because the plan was traced from a file. The first floor walls started appearing on many different planes so I deleted them in order to work on the foundation 1st