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