There’s something wrong with your ID matching known sources. Banks are required by law and Federal Reserve regulations to positively identify their customers. This is what’s called > Know Your Customer (KYC) <.
Your ID (name, address, date of birth) must match your credit report, Apple ID and information you submitted on your credit card application. You ID (State issued DL) must not be expired either.
You can get a free copy of your TransUnion credit report here,
https://www.annualcreditreport.com/index.action
Here are links to check your Apple ID information.
Update the birth date associated with your Apple ID - Apple Support
Update your Apple Card account information - Apple Support
If after fixing any errors and your application is declined again, please contact Apple Support using the link below
https://getsupport.apple.com/?caller=kbase&PGF=PGF90002&category_id=SC0302&symptom_id=23382