Fatal error: Uncaught Error: Class 'Symfony\Component\Mailer\Exception\TransportException' not found in C:\xampp\htdocs\ApiSigestWin\vendor\symfony\mailer\Exception\HttpTransportException.php:19 Stack trace: #0 {main} thrown in C:\xampp\htdocs\ApiSigestWin\vendor\symfony\mailer\Exception\HttpTransportException.php on line 19