Just as I am about to fly out of the vestibule, I get this error msg. Warning: error: invalid polygon model It doesn't crash, but becomes unusable at his point, as it puts up this msg continuously even if you hit OK. It seems to hit either when I first bank to go left or right, or as the door ...

Just as I am about to fly out of the vestibule, I get this error msg. Warning: error: invalid polygon model It doesn't crash, but becomes unusable at his point, as it puts up this msg continuously even if you hit OK. It seems to hit either when I first bank to go left or right, or as the door ...