Fatal error: Uncaught Error: Class "Symfony\Component\Mime\Crypto\SMime" not found in C:\www\Apache24\htdocs\agenda-dif\vendor\symfony\mime\Crypto\SMimeEncrypter.php:20 Stack trace: #0 {main} thrown in C:\www\Apache24\htdocs\agenda-dif\vendor\symfony\mime\Crypto\SMimeEncrypter.php on line 20