Originally Posted by
dukerau
I would guess that the cards you see as options to send money have an exact match between name attached to the card and the name on your AP account. They recently changed something that requires name to match. That lines up with why the cards you share are issues - make sure in each account the name associated with the card matches the AP name. The actual name on the card doesn't matter.
I have one card linked with 5 AP accounts using the name on the card. Never had any issues here with cards disappearing.