Fatal error: Uncaught Error: Class "WP_List_Table" not found in /var/www/andovercg/staging/wp-admin/includes/class-wp-list-table-compat.php:15 Stack trace: #0 {main} thrown in /var/www/andovercg/staging/wp-admin/includes/class-wp-list-table-compat.php on line 15