Account disable

See 'Your account has been disabled in the App Store and iTunes' https://support.apple.com/en-us/HT208856. This link says: "There might be a problem with the payment method that you have on file. When you see the message, don't try to edit any of your account information. Instead, contact Apple Support for help.”

Use the Apple recommended support link above first.

And, if necessary, go here is how to contact iTunes worldwide support via text or chat using this link https://support.apple.com/choose-country-region/itunes After choosing your country, see the heading Tell us how we can help.

Apple ID Has Been Disabled

1. If you forgot the passcode for your iPhone, iPad, or iPod touch, or your device is disabled
2. If your Apple ID is locked or disabled - Apple Support
3. If you see a message that says 'Your account has been disabled in the App Store and iTunes' - Apple …
4. Apple ID is Disabled - Apple Club
5. Apple ID- "This Apple ID has been disabled for security reasons" alert appears

Contact iTunes Support using this form or scroll to the bottom of this page and follow the screens until you find a chat and/or telephone option.  Pick any problem to select an option.