Looks like a water leak..lol. Check and see if your level has a computation height set to any value that isn't 0. If that still an issue, then create...
Typically, room issues crop up when there are extra room bounding elements. From that image, my first question would be how that landing is created,...
I got the same problem and I nailed it finally. just delete the individual layers in each drawing in Manage/Object Styles/imported objects, then you...
I dont know that that is a widespread issue in 2021, because it certainly doesnt happen here! Loading a family from the family editor to a project is...