Fatal error: Uncaught Error: Class "WP_Widget" not found in /var/www/andovercg/staging/wp-content/plugins/astra-widgets/classes/widgets/class-astra-widget-address.php:16 Stack trace: #0 {main} thrown in /var/www/andovercg/staging/wp-content/plugins/astra-widgets/classes/widgets/class-astra-widget-address.php on line 16