Fatal error: Uncaught Error: Class "Symfony\Component\Console\Command\Command" not found in /home/astechc1/public_html/vendor/symfony/swiftmailer-bundle/Command/AbstractSwiftMailerCommand.php:20 Stack trace: #0 {main} thrown in /home/astechc1/public_html/vendor/symfony/swiftmailer-bundle/Command/AbstractSwiftMailerCommand.php on line 20