Here's a problem I run into often as at least 80% of the projects around here utilize roof trusses for a majority of the roof framing, mostly with energy heels, many with scissor trusses.
Using Chief's roof truss and ceiling plane tools to create scissor trusses with energy heels generally works well, but when the wall framing is built, it will build the top plate at the roof baseline height instead of the room ceiling height. Checking the "Flat Ceiling over this Room" in the room db