Unable to log in in app store

'If you can't connect or sign in to iCloud', click here --> https://support.apple.com/HT203512

VPN prevented sign-in --> https://discussions.apple.com/thread/253164691

"If you can't connect to the App Store, iTunes Store, or other Apple services" click here --> https://support.apple.com/HT201400

- If none of the suggestions work, try the last one: "If you’ve tried all of the above steps and you still can’t connect, contact Apple Support."

For support, click here --> https://support.apple.com/choose-country-region Select your country, then a product. If you don't see one that handles your issue then keep experimenting with selections until you reach one that gets you a chat session or a telephone call and get the representative to redirect you.

or:

Contact Apple for support and service --> "See a list of Apple phone numbers around the world."

Click here --> https://support.apple.com/HT201232