Fatal error: Uncaught Error: Class "Symfony\Component\Mime\Tests\Crypto\SMimeTestCase" not found in /home/mohamed/education.mohamed-emad.com/vendor/symfony/mime/Tests/Crypto/SMimeEncrypterTest.php:21 Stack trace: #0 {main} thrown in /home/mohamed/education.mohamed-emad.com/vendor/symfony/mime/Tests/Crypto/SMimeEncrypterTest.php on line 21