Hello everyone, good work, I have some questions, I would be very happy if you could help. 1-) I could not solve the gradual basic part of the project, I think I am making a mistake in data entry. I also added the architectural project, I showed the part to be built gradually, next to the basement floor plan, there is also a section. 2-) When I add the basement curtains on the 3-e' axis, B2 irregularity appears. How can I fix it? 3-) I entered the engine room on the top floor as a separate floor, can we get the same result when we give the upper level and solve it?