My account has been disabled in the App Store and iTunes

According to: If a message says 'Your account has been disabled in the App Store and iTunes'

Contact Apple Support for help.

If you see a message that says "Your account has been disabled in the App Store and iTunes," contact Apple Support for help.

All you need to do is contact Apple using this support link:

If a message says 'Your account has been disabled in the App Store and iTunes' - Apple Support