For any page that is going to be accessed directly, you need to specify which users have permission to access it. This is done by selecting which module roles have permission.
Open the page in the modeler and the Panel on the right should display the Page properties (or you can click on an area of the background outside your page objects to show the correct properties, or right-click on the background of the page). Under Navigation you will see an enrty called Visible for. Select this area to choose the roles to grant access to.
TY very helpfull