This warning indicates that you have changed the Main Layer for a wall type that exists in your plan and that walls will be moved to accommodate the change.
In most circumstances, the Main Layer should be specified as the structural layer of the wall, particularly when the wall is a framed type.
Automatically generated attic walls are formed when there is a gap between a wall that defines a living space and the roof above it.
Although dimensions display as you are drawing, you do not need to position walls precisely when you first draw them: they can be moved into place at any time.
You can control the molding on a wall-by-wall basis by using the Room Molding Polyline tool located on the Edit Toolbar when you have the room selected.
Walls may not appear in camera views because they are set to invisible, the Walls, Normal layer is turned off or the ceilings heights are wrong.
If you draw a wall in the wrong direction in error and you see siding on the wrong side, use the Reverse Layers tool to correct it.
Chief Architect is an object based program and that includes rooms. So how do you make sure that you've selected a wall instead of a room?
When framed wall types don't generate framing there can be one of several settings that have been modified in the walls themselves. Follow these steps to correct the issue and generate framing for all your framed walls.
When the program detects an open space between a wall and the roof plane above, it automatically creates an Attic Wall to fill in the gap.