Fatal error: Uncaught Error: Class "Yoast_Notification_Center" not found
in /home/forval-11131577/public_html/amj_asov/wp-content/plugins/wordpress-seo/wp-seo-main.php on line 487

Call stack:

1. load_yoast_notifications()
   wp-includes/class-wp-hook.php:324
2. WP_Hook::apply_filters()
   wp-includes/class-wp-hook.php:348
3. WP_Hook::do_action()
   wp-includes/plugin.php:517
4. do_action()
   wp-settings.php:550
5. require_once()
   wp-config.php:99
6. require_once()
   wp-load.php:50
7. require_once()
   wp-blog-header.php:13
8. require()
   index.php:17