If you have a problem with the payment method you added, there may be an error with the payment method or other various issues.
To find the details, visit the app store’s Customer Support.
[Go to Google Play Help Center]
https://support.google.com/googleplay/answer/1267137?hl=en&ref_topic=3365267
[Go to Apple Support]
https://support.apple.com/en-us/HT203005
[Go to Samsung Galaxy Store 1 on 1 inquiry]
https://help.content.samsung.com/csweb/main/ticketGate.do