Thank's !
I already tried to do what you suggest and remove the dummy page (I guess it's the page at index 0) after adding the correct one, but I can't seem to be able to do it. The dummy page always stays no matter what. the RemovePage command does…
Thank's for your comment, adding the objects to the scene resolved the problem.
Although, I've added them out of site of the main camera, it clutters a bit the scene and the hierarchy. Especially that for close-ups on inventory objects, I guess you …