Fatal error: Uncaught Error: Class 'WP_Widget' not found in D:\XAMPP\htdocs\jrmsumain\dapitan\jrmsumain_v2\wp-includes\widgets\class-wp-widget-rss.php:17 Stack trace: #0 {main} thrown in D:\XAMPP\htdocs\jrmsumain\dapitan\jrmsumain_v2\wp-includes\widgets\class-wp-widget-rss.php on line 17