Removing the little roof and trying to add a four point roof is EXACTLY what I tried when I got the message about the program not being able to find a wall segment, so. . .
Not sure why you are receiving this message from the program, Are you clicking in the center of the wall? (not on the wall surfaces).
Otherwise, you can create the roof using the Freehand roof tool. Another option: create rectangle (Detail tab) => select it => Convert to => Freehand roof.
If I want to use QuickStart to set the basement levels, is there a way to move all my work on my floor plan over? I assume I have to start a new document in order to use QuickStart. My plan is about 85% complete at this point and I don't want to have to do all that work over again. I haven't found a way to cut and paste what I have already done into a newly-started design where I can use QuickStart.
To use Quick Start, you need to start a new file. You can copy and paste the levels from the old file to the new file, but they must be in the same location => this means that you can't
copy the first floor of your old plan to the second floor of the new plan.
In this case, in order to copy the floors from the old file, move the second floor to the third floor and the first floor to the second floor. Notice that in this case, in the old file, you will have the first floor free, so you can rename it Basement and set your plan.
The most important note: as I stated, set the levels first.
I just found out about your e-book last night, too late to order it, so will call it in today. I have been looking for some additional books on the subject but hadn't run into this one.
You can buy the eBook online at any time of the day. Notice that, if you prefer, I provide "fix my file services"
through my websitehttp://www.punchhelpers.com/ourservices.htm
Hope this helps!