Status 196 simply means that job was queued and could not go active before backup window closed.
You need to tell us more about your environment :-
How many tape drives in your environment?
Were all tape drives UP while backup window was open?
Did you check REASON for queued jobs?
When you try to backup manually, are your backup success?
try to increase backup window time in you policy .
check your storage unit and media drives if down or not.