Thanks Man.

This is the reply from RankMath: Hello, I can check that WPForo is using the shortcode on a single page to display the forum board and its topic. ...

Thank you for notifying me. And no you won't get a thumbs down this time because this reply makes more sense than previous one.

No errors. No issues found. Did not fix the issue. This fixed the issue.

@chris I have enabled the registration.

Because my users are unable to create one./p>

I solved it, the real culprit was WPRocket, which was causing the issue. 1. First, I disabled WP Rocket 2. Then I installed and activated WPForo ...

@chris Solved. Thanks a lot.

@chris Thanks a lot.

I don't think you understand my question. How can I do it when I am unable to activate it.