Fatal error: Uncaught Error: Call to undefined function add_filter() in /home/ranking/public_html/ret3/wp-includes/class-wp-embed.php:33 Stack trace: #0 /home/ranking/public_html/ret3/wp-includes/class-wp-embed.php(387): WP_Embed->__construct() #1 {main} thrown in /home/ranking/public_html/ret3/wp-includes/class-wp-embed.php on line 33