Why do only some of my updates get added to my potentials list when I add them via custom view? I have 87 in my custom view but only 50 or so appear in the system?

Why do only some of my updates get added to my potentials list when I add them via custom view? I have 87 in my custom view but only 50 or so appear in the system?

Why do only some of my updates get added to my potentials list when I add them via custom view? I have 87 in my custom view but only 50 or so appear in the system?