I have Home Designer Pro 2018 on Windows 10, and I'm trying to put a roof and ceiling over my wrap around porch. My two end walls on the house are gable walls and the roof plane is fine when the porch isn't covered. Auto-rebuild is on, but when I go to check the full overview of the house, the roof planes over the house are missing. I've tried everything from setting the pitch to a lower value on the porch, but nothing seems to work. Any help would be appreciated!!