Black Patch, stain on imported model in UE5

I have started a new project, using the architecture blank template and I am having some black patch on my imported 3d model ( using lumen and nanite)

Instead if I start a new project using the basic gaming template and I import the same model I dont have this issue
can someone help me?

thank you

1 Like

Take a look at this video, this might solve your black splotch/shadow problem:

Solution 2 or 3 from that clip might be what you are looking for.