So I read your replies and other thread, then started to delete objects one by one.
Found the guilty one, it's a chaos cosmos tree (I didn't noticed because it came as wire bounding box, as default), it still doesn't make sense to me though, because camera doesn't look like inside/intersect with the object.
Since I was able to recreate with just people & tree & camera & sun, I converted those to meshes, archived and sent you the file.