Fatal error: Uncaught Error: Class 'WP_Widget' not found in /nfs/bronfs/uwfs/hw00/d42/amtas/wordpress/wp-content/plugins/page-scroll-to-id/includes/class-malihu-pagescroll2id-widget.php:10 Stack trace: #0 {main} thrown in /nfs/bronfs/uwfs/hw00/d42/amtas/wordpress/wp-content/plugins/page-scroll-to-id/includes/class-malihu-pagescroll2id-widget.php on line 10