Fatal error: Uncaught Error: Class 'Symfony\Component\Mailer\Exception\TransportException' not found in E:\xampp\htdocs\Ebinconf\vendor\symfony\mailer\Exception\UnexpectedResponseException.php:14 Stack trace: #0 {main} thrown in E:\xampp\htdocs\Ebinconf\vendor\symfony\mailer\Exception\UnexpectedResponseException.php on line 14