I thinked to have let a an answer but I'm not sure to have validated it...
You have two modes in SH3D, aerial and virtual.
Sometimes, in aerial mode the point of view is near a wall and the photo is white.
Verify the point of view in your project in the twice modes.
----------------------------------------
Evil progresses when good people do nothing!
---
SH3D 7.1 and nothing else - W11 64b in 4K
