Mark3D

It sounds like you have the setting to turn off exterior walls in your camera settings

I never got any errors I did see under room structure tab roof over room turned off

A screen shot to help

Cross section camera I drew a cad triangle the shape of the roof got the length of the short side and subtracted it from the default ceiling height

Change your verandah rough Ceiling height to 87 15/16" WatersMark edit.plan

See if that is what you are looking for. Peck Final CDs (Reduced 4-4-24)MB.plan

See if that give you some clues to get you moving in the right direction. I edited this post and added a file with drain Peck Final CDs (Reduced 4-4-24)MB.plan

Check out the edit area tools in the edit menu

I figured out how to share with out email https://drive.google.com/file/d/1-GZqTjLXFhuF6xUMjPHeoKWezez-_L5_/view?usp=drivesdk

Spent a bit more time on your terrain if you still need it let me know maybe private message so in can share the file on google drive as its now 24 meg zipped

Watch a training video on manual roofs then you will not be at the mercy of missing information

On the small gable roof plains you have the base lines on the inside edge of the main layer to me they should be on the outside edge of the walls main layer i the reconnected the roof edges and the stray siding went away See if that is any good 1866557940_RoofwallissueMark Edit.plan

I have it working but file is to big so I put it on google drive https://drive.google.com/file/d/1CoYTpBBTNXRXu6XqFcW3jNzTxGWrYBZN/view?usp=drivesdk It was building walls set to retaining walls elevation data crossing retaining wall

You have uploaded a file that is open so it has no data , save the file close chief and upload again.

See if that is any better i got rid of gable line as it was stopping roof on soak tub room and used Make roof base polyline and tweek it at the problem wall intersection, so now auto roofs will only build to roof base polylines so if you change your model you will need to change roof base polylines BASSETT 2 - PROPOSED.zip