Fatal error: Uncaught Error: Class "Symfony\Component\Mailer\Transport\Smtp\SmtpTransport" not found in C:\www\Apache24\htdocs\agenda-dif\vendor\symfony\mailer\Transport\Smtp\EsmtpTransport.php:28 Stack trace: #0 {main} thrown in C:\www\Apache24\htdocs\agenda-dif\vendor\symfony\mailer\Transport\Smtp\EsmtpTransport.php on line 28