Fatal error: Uncaught Error: Call to undefined function add_action() in /home/fkiinteriors/public_html/wp-content/plugins/fancy-product-designer/admin/class-admin-ajax.php:11 Stack trace: #0 /home/fkiinteriors/public_html/wp-content/plugins/fancy-product-designer/admin/class-admin-ajax.php(1395): FPD_Admin_Ajax->__construct() #1 {main} thrown in /home/fkiinteriors/public_html/wp-content/plugins/fancy-product-designer/admin/class-admin-ajax.php on line 11