Fatal error: Uncaught Error: Class 'Symfony\Bundle\FrameworkBundle\Command\ContainerAwareCommand' not found in /home/bucereo/my_project_name/vendor/symfony/swiftmailer-bundle/Command/NewEmailCommand.php:25 Stack trace: #0 {main} thrown in /home/bucereo/my_project_name/vendor/symfony/swiftmailer-bundle/Command/NewEmailCommand.php on line 25