Fatal error: Uncaught Error: Interface 'Symfony\Component\HttpFoundation\File\MimeType\ExtensionGuesserInterface' not found in /home/devmecseminars/public_html/mec/vendor/symfony/http-foundation/File/MimeType/ExtensionGuesser.php:32 Stack trace: #0 {main} thrown in /home/devmecseminars/public_html/mec/vendor/symfony/http-foundation/File/MimeType/ExtensionGuesser.php on line 32