Troubles to have credit card details from yesterday

Good moorning  i'm Aeroviaggi S:pA partner.

Please note that from yesterday  till 19.00 pm   i can't read anymore credit cards details  of clients  that prepaid  ( virtual card )   i sign with password and system asks me phone call for pin .

NO pin arrive on number and i can't read credita crdas details to cash and settle reservations with virtual credit card.

Please contact us very urgently or  solve this trouble immediately is very important to cash the resrvations amounts .

WE wiat for you veryurgent reply 

mi ph. direct   *** Ermanno Infantino credit manager