Fatal error: Uncaught Error: Call to undefined function add_action() in /home/clmepl5/public_html/web/app/plugins/gravityview/includes/class-ajax.php:8 Stack trace: #0 /home/clmepl5/public_html/web/app/plugins/gravityview/includes/class-ajax.php(438): GravityView_Ajax->__construct() #1 {main} thrown in /home/clmepl5/public_html/web/app/plugins/gravityview/includes/class-ajax.php on line 8