It sounds like you are attempting to verify your information for Shopify Payments, and have input an incorrect birth date. If this is the case, you will need to reach out to our live Support Team via the Help Center who can escalate the situation to our Shopify Payments team for rectification.
Best of luck!
Skye | Social Care @ Shopify - Was my reply helpful? Click Like to let me know! - Was your question answered? Mark it as an Accepted Solution - To learn more visit the Shopify Help Center or the Shopify Blog