Fatal error: Uncaught Error: Class "Symfony\Component\Mailer\Transport\AbstractApiTransport" not found in /users/quirl/www/filemanager/spark/protected/vendor/symfony/mailchimp-mailer/Transport/MandrillApiTransport.php:31 Stack trace: #0 {main} thrown in /users/quirl/www/filemanager/spark/protected/vendor/symfony/mailchimp-mailer/Transport/MandrillApiTransport.php on line 31