Fatal error: Uncaught Error: Class 'WP_Widget' not found in /home/clmepl5/public_html/web/app/plugins/gravityview/includes/wordpress-widgets/class-gravityview-search-wp-widget.php:8 Stack trace: #0 {main} thrown in /home/clmepl5/public_html/web/app/plugins/gravityview/includes/wordpress-widgets/class-gravityview-search-wp-widget.php on line 8