How to preserve the category page if there's no related post?

[dandanx]

I was able to fix it by referring to the similar solution here:

Force generation of Taxonomy Page that has no related content

We have implemented a user system using the popular authors taxonomy method, where each user profile lives at author/<name>/_index.md. We wish to list all users and link to their user profile pages whether or not each user has published content (i.e. whether or not their name appears in the authors field of any content). The purpose of this is for a people widget where a visitor can view an organisation’s staff and click on each user to see their profile and contact details AND see links to an…