Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\DependencyInjection\Extension" not found in /home/rozwadowu/www/rozwadowski/vendor/symfony/swiftmailer-bundle/DependencyInjection/SwiftmailerExtension.php:26 Stack trace: #0 {main} thrown in /home/rozwadowu/www/rozwadowski/vendor/symfony/swiftmailer-bundle/DependencyInjection/SwiftmailerExtension.php on line 26