does not work

Warning: Missing argument 2 for wpdb::prepare(), called in …/wp-content/plugins/delete-pending-comments/inc/admin.php on line 73 and defined in …/wp-includes/wp-db.php on line 1154

https://wordpress.org/plugins/delete-pending-comments/