Fatal error: Uncaught Error: Call to undefined function add_action() in /home/clmepl5/public_html/web/wp/wp-content/themes/twentyfifteen/inc/customizer.php:113 Stack trace: #0 {main} thrown in /home/clmepl5/public_html/web/wp/wp-content/themes/twentyfifteen/inc/customizer.php on line 113