Fatal error: Uncaught Error: Interface "Symfony\Component\Mailer\Exception\ExceptionInterface" not found in D:\xampp\htdocs\dropifypro\vendor\symfony\mailer\Exception\TransportExceptionInterface.php:17 Stack trace: #0 {main} thrown in D:\xampp\htdocs\dropifypro\vendor\symfony\mailer\Exception\TransportExceptionInterface.php on line 17