Fatal error: Uncaught Error: Class "WP_Widget" not found in /var/www/html/dcpl/wp-content/plugins/jetpack/modules/widgets/milestone/class-milestone-widget.php:13 Stack trace: #0 /var/www/html/dcpl/wp-content/plugins/jetpack/modules/widgets/milestone/milestone.php(11): require_once() #1 /var/www/html/dcpl/wp-content/plugins/jetpack/modules/widgets/milestone.php(13): require_once('/var/www/html/d...') #2 {main} thrown in /var/www/html/dcpl/wp-content/plugins/jetpack/modules/widgets/milestone/class-milestone-widget.php on line 13