Fatal error: Uncaught Error: Class "Symfony\Component\Mailer\Exception\TransportException" not found in /var/www/live/demo6.thesynergate.com/markea-api2/vendor/symfony/mailer/Exception/UnexpectedResponseException.php:14 Stack trace: #0 {main} thrown in /var/www/live/demo6.thesynergate.com/markea-api2/vendor/symfony/mailer/Exception/UnexpectedResponseException.php on line 14