Card not authorized


I need a urgent answer please, when trying to top up my revolut account through my french credit card (la banque populaire) the app keeps saying "card couldt not be autorized ". I have removed the credit card in order to restart the process , Now i can’t even register my credit card it’s saying "card couldt not be autorized ".
Precision : my credit card is from banque populaire , french banque. I do have founds on my account My card is not debit ou maestro and top up to Revolut worked peefectly in the pass.
Please i m abroad i need to use m’y Revolut card.