overlapping walls - roofing plant

[Giammcarro89]

Good morning, I'm a revit novello. I have a problem.in the roofing plant, I also visualize the hidden part of a wall below, as well as exposed in the pictures below. Where's the problem? thanks for the attention. Have a good day. :

 

[Tristan]

you can't see very well but I feel that the cover plant is set with 'wireframe' display style (low left in the first picture)

 

[Giammcarro89]

you can't see very well but I feel that the cover plant is set with 'wireframe' display style (low left in the first picture)

it was that, the banal but rather annoying problem. Thank you very much, very kind, I am novello. :