I'm baking Ambient Occlusion for a game asset. It worked on the cable part (see image and blend file). But now on the camera, on its side it makes a weird split on one face, half of the face is shaded, the other not, also other faces of the camera are not shaded. But the front of the camera is shaded. What am I doing wrong here, how to get proper AO for this camera object and fix the erroneous face?