Fatal error: Uncaught Error: Class "WP_Importer" not found in /home/imperfettolab/public_html/web/app/plugins/wp-media-folder/class/import/class-wp-import.php:12 Stack trace: #0 {main} thrown in /home/imperfettolab/public_html/web/app/plugins/wp-media-folder/class/import/class-wp-import.php on line 12