Fatal error: Uncaught Error: Class 'WP_Widget' not found in /home/regeneremoda/public_html/wp-content/plugins/woocommerce-ajax-filters/includes/new_widget.php:2 Stack trace: #0 {main} thrown in /home/regeneremoda/public_html/wp-content/plugins/woocommerce-ajax-filters/includes/new_widget.php on line 2