purchase under review despite everything approved

i have been purchasing using my attached paypal for months now without issues and i have recently added balance to the account using a card as well. … the card has also been approved by gameflip … yet my current purchase is under review… why the hold up? please tell me someone?

my code : WAQSPB

Hello! We contacted you to ask for a small piece of information regarding the purchase. Since you didn’t answer, the transaction was cancelled.