Ask PlayStation a Twitteren: "@ROYLDixon Sorry to hear that you are having issues adding your card. Please make sure that the country/region of the payment method matches the country/region of the PSN
💰 PS4 (WC-40377-1 & WC 40376-0) | HOW TO FIX REDEEM CODE ERROR - YouTube
▷ PS4: How to Fix Error Code WC-34736-3
Fix error code WC-34737-4 on ps4 at 2021 (Fix invalid credit/debit card on ps4) - YouTube
How to Fix PS4 Error WC-34737-4
How to Fix PS4 error wc-34737-4 - YouTube
How To Fix The PlayStation 4 Error Code WC-34737-4
How to Fix PS4 Error WC-34737-4
How to Fix The Error Code WC-34737-4 on PS4 – The credit/debit card information isn't valid. Check it carefully. - Techkrest