The ongoing issue with entering a new contact with Big Sur

From the above wording, it appears the USer maybe think Apple Support is here, which it is now.

Most answers are provided by other Communities users just like you—not by Apple

Product Feedback directly to Apple

Add people and companies to Contacts on Mac - Apple Support describes a number of methods of adding new Contacts.

If you are experiencing difficulties, please describe them.

It would also help if you described the issue. It's possible that, once people know the specifics of your problem, they may have some suggestions.

Suspect, guessing, the issue is that the user has Contacts associated with Third Party Source like Google