Resolve NevaTrip Payment Failure

Card payments on NevaTrip suddenly stopped processing earlier today. Customers reach the checkout page, enter their credit or debit card details, press “Pay,” and nothing happens—no confirmation, no error code, just a spin-loader that eventually times out... (Budget: €8 - €150 EUR, Jobs: HTML, JavaScript, Laravel, Nginx, Payment Processing, PHP, Stripe, Vue.js)