Fatal error: Uncaught Error: Object of class PDOStatement could not be converted to string in /var/www/html/auth/includes/queries/users-queries.php:105 Stack trace: #0 /var/www/html/auth/includes/gets/get-user-id-by-email-address.php(23): Users->get_user_id() #1 {main} thrown in /var/www/html/auth/includes/queries/users-queries.php on line 105