Fatal error: Uncaught Error: Class 'Symfony\Component\Console\Command\Command' not found in /home/app/htdocs/message_gateway/vendor/symfony/console/Tests/Fixtures/Foo5Command.php:5 Stack trace: #0 {main} thrown in /home/app/htdocs/message_gateway/vendor/symfony/console/Tests/Fixtures/Foo5Command.php on line 5