I cant download an app it says it was disabled in the App Store and itunes

There is an issue with your account, and only Apple support can help you sort it out now.

Do what the support document you posted from is telling you to do and contact Apple Support.

Click on the blue "contact Apple Support" link in the support document or in this very sentence, to initiate the process.

There's a problem with your iTunes Store account information which can't be fixed from your end. Click here and contact Apple Support when they're open; if the link doesn't have an option for your country, use this form.

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