Your payment method was declined.
iPhone XS Max, iOS 18
iPhone XS Max, iOS 18
Review this page, you may need to contact your UPI payment method to determine the cause. If you had a previous transaction that was not able to be processed, then that will need to be paid first and your payment method may no longer be valid.
If your payment method is declined in the App Store or iTunes Store - Apple Support
Your payment method was declined.