Fatal error: Uncaught Error: Call to undefined function add_action() in /usr/home/Adreon/domains/games4udownload.com/public_html/wp-includes/ms-default-filters.php:16
Stack trace:
#0 {main}
  thrown in /usr/home/Adreon/domains/games4udownload.com/public_html/wp-includes/ms-default-filters.php on line 16