Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\DependencyInjection\Extension" not found in /home/kakabapu/public_html/mysticker.kakabapu.com/vendor/symfony/swiftmailer-bundle/DependencyInjection/SwiftmailerExtension.php:27 Stack trace: #0 {main} thrown in /home/kakabapu/public_html/mysticker.kakabapu.com/vendor/symfony/swiftmailer-bundle/DependencyInjection/SwiftmailerExtension.php on line 27