Fatal error: Uncaught Error: Class "Symfony\Component\Mailer\Transport\AbstractHttpTransport" not found in /users/quirl/www/filemanager/spark/protected/vendor/symfony/mailgun-mailer/Transport/MailgunHttpTransport.php:29 Stack trace: #0 {main} thrown in /users/quirl/www/filemanager/spark/protected/vendor/symfony/mailgun-mailer/Transport/MailgunHttpTransport.php on line 29