Fatal error: Uncaught Error: Class "WP_Widget" not found in /home/gravxipo/public_html/wp-content/plugins/qoxag-essential/includes/widgets/author/widget-class.php:3 Stack trace: #0 {main} thrown in /home/gravxipo/public_html/wp-content/plugins/qoxag-essential/includes/widgets/author/widget-class.php on line 3