Re: 1st FLOOR COLUMN buckling is not prevented Hello My suggestion; --Fix errors in geometry check, --MOLD 1-2 overlapping beams too much, revise formwork plan by creating frame,(not fixed) --4. on the floor - with the curtains given the elevation, --Fix the elevator machine floor, --Take the stair load, (not fixed) --Give the curtain P02 and the column S04 as a single element (not fixed) The translation is corrected. The project is attached. Good luck with. Unver ÖZCAN