Fatal error: Uncaught Error: Class 'Symfony\Component\Mailer\Transport\AbstractTransportFactory' not found in /home/users/00/3c/21/home/www/vendor/symfony/amazon-mailer/Transport/SesTransportFactory.php:22 Stack trace: #0 {main} thrown in /home/users/00/3c/21/home/www/vendor/symfony/amazon-mailer/Transport/SesTransportFactory.php on line 22