Try using the Global property set to Yes.
Global
By default, all instances are destroyed when the layout ends (e.g. when going to the next layout). If Global is Yes, none of the instances of this object type will be destroyed when switching layouts.
Use on start of layout to adjust position if needed.
How to say...
When I launch the layout, everything is fine. I'm going to the next map ...
The, the camera goes I do not know where, I do not see the character ... I go down to access the previous map, and there, there is no more character. I can move the camera that looks downright elsewhere, but I do not see the character.
In the preview :
In construct 2 :