Fatal error: Uncaught Error: Class 'WP_Widget_Media' not found in /home2/thebackl/public_html/public_html/wp-includes/widgets/class-wp-widget-media-gallery.php:18
Stack trace:
#0 {main}
thrown in /home2/thebackl/public_html/public_html/wp-includes/widgets/class-wp-widget-media-gallery.php on line 18