New payment security regulation is implemented by card issuers for extra fraud protection and requires you to complete an additional verification step with the card issuer when paying.
It directs you to an authentication page on the bank`s website to enter a password accociated with the card.
For recurring payments it needs to be done once for further payments to be successful. For movie rentals you may still be asked again to go throuh the authentication process while making purchases.
To do so please go to My account > Payment details > click on your existing card and update your payment method.
Find out more about payment security regulations here https://ec.europa.eu/info/law/payment-services-psd-2-directive-eu-2015-2366_en