Fatal error: Uncaught Error: Class "Symfony\Component\Mailer\Transport\AbstractTransport" not found in I:\www\frameworks\Symfony\doctrine\vendor\symfony\mailer\Transport\AbstractHttpTransport.php:25 Stack trace: #0 {main} thrown in I:\www\frameworks\Symfony\doctrine\vendor\symfony\mailer\Transport\AbstractHttpTransport.php on line 25