Fatal error: Uncaught Error: Class "Symfony\Component\Mailer\Transport\AbstractTransport" not found in /home/microfrlnn/espace-pro/vendor/symfony/mailer/Transport/SendmailTransport.php:38 Stack trace: #0 {main} thrown in /home/microfrlnn/espace-pro/vendor/symfony/mailer/Transport/SendmailTransport.php on line 38