Fatal error: Uncaught Error: Class 'WP_Widget' not found in /home/legarden/www/app/plugins/envira-gallery/src/Widgets/EnviraWidgetRandom.php:16 Stack trace: #0 {main} thrown in /home/legarden/www/app/plugins/envira-gallery/src/Widgets/EnviraWidgetRandom.php on line 16