Hi!
Solution 1:
Add main camera to the scene:
– Add camera object to the scene.
– Tag it as Main camera as in
https://answers.unity.com/questions/173870/how-to-make-a-camera-a-main-camera.html
Solution 2:
In your component add:
void Start()
{
TobiiAPI.SetCurrentUserViewPointCamera(Camera.current);
}