Fatal error: Uncaught Error: Class "Symfony\Component\Mailer\Exception\TransportException" not found in /home/sourceex/public_html/investohub1/vendor/symfony/mailer/Exception/HttpTransportException.php:19 Stack trace: #0 {main} thrown in /home/sourceex/public_html/investohub1/vendor/symfony/mailer/Exception/HttpTransportException.php on line 19