Hi... In our attached project, in the weak floor control, the basement floor y direction curtains, ground floor x and y direction wall areas are 0[/ quote] Hello, Since the basement walls are defined as separate floors and solved as rigid basements, the option of sub-flooring can be canceled in the curtains. Thus, you will be able to see the cut-off areas of the curtains in the report. For ground floor walls, you must define the walls at which position (above the basement curtains) there are walls on the ground floor with the wall command Sample data: B1 irregularity report in the corrected sample data.I have defined the wall to coincide with the bottom of the beams: