When I import CAD Model then it create problem

I import Cad files in SketchUp to draw but i come to say that “this does not appear in SketchUp Model” but when I use it first time it is work very well. Plz if someone can help in this Then plz send msgg on 03269741156. .

@heroexpert254
please remove your phone number! This is against forum guidelines! People with info can always reach you via PM.

If you share the dwg file we could probably help you.