Fatal error: Uncaught Error: Class "Symfony\Component\Mailer\Transport\AbstractHttpTransport" not found in /users/quirl/www/filemanager/spark/protected/vendor/symfony/mailchimp-mailer/Transport/MandrillHttpTransport.php:28 Stack trace: #0 {main} thrown in /users/quirl/www/filemanager/spark/protected/vendor/symfony/mailchimp-mailer/Transport/MandrillHttpTransport.php on line 28