For "x" reasons, a customer may (in good faith) not have followed up the strong authentication request sent to him by his bank. E.g.: you initiate a payment in the middle of the night, the bank notifies the customer of the strong authentication ... except that the customer is fast asleep. In this case, he will not have been able to authenticate in time and his bank will have told you (via Stripe) that it cannot validate your payment request.
In this case, you can send them a new e-mail,
by clicking on the View button on the red banner indicating that a payment has failed
Once you have clicked on the View button, the payment history window will be displayed and you can click on the Resend button.
Once validated, the payment awaiting authentication changes its status to Completed and the file is updated.
When this transaction validation email is sent to your customer, if the payment confirmation has not been made within the allotted time, the customer will be asked to enter their bank card again.