WP admin page gives 404

Perhaps the siteurl or home value got modified when you tried to modify the site URL in WP admin? If so, it might make the front-end and the WP admin inaccessible because it is looking for WordPress in a directory in which it doesn’t exist. Fixing it in the database If you have access to … Read more

404 on paginated blog pages

I managed to work around this issue. I recently updated my site to WordPress 5.7 and was getting 404 Errors on every page except the home page. After a lot of debugging I found out that wp-includes/class-wp.php was setting the is_404 variable because of a missing comment <!–nextpage–> in the $post->post_content. (Line 694) I tried … Read more