Hello,
Apple Support is the only one who can fix this for you. Click on this direct link for this specific issue → https://getsupport.apple.com/?caller=kbase&PGF=PGF63005&category_id=SC0245&symptom_id=23362
Ref.: If you see a message that says "Your account has been disabled in the App Store and iTunes" - https://support.apple.com/HT208856