You are using an AMP plugin for WordPress but have decided to deactivate it.
The problem: errors relating to AMP go up in Google Search Console.
In order to prevent AMP URLs ending in /amp
from returning a 404 error, it is best to redirect them to the original article by applying a regular expression to all the pages of your site.
Redirect all AMP pages to non AMP pages with SEOPress PRO
It’s super easy to handle this with our SEOPress PRO WordPress plugin.
Simply go to your WordPress administration, SEO, Redirections.
Add a new redirect.
Enter this as a title:
(.*)/amp$
Then check Enable redirection and Regex options.
Choose All as a login status and 301 for the type.
Finally, enter this in the URL redirection field:
https://example.com/$1
And click Publish button.