Can't raise camera ' high enough ' to view an object it once could.
Try doing the origin check, this may correct the problem. During the check It may report a Tilt error, and then will try to fix itself.
Thank you for contacting Vicon Industries.
The mission of Vicon’s Technical Services Team is to provide world class
Technical Support to our customers and exceed their expectations.
Our customers can expect prompt and professional support with the goal
of making them knowledgeable and successful with our product line.