Fatal error: Uncaught Error: Class 'Symfony\Component\Console\Command\Command' not found in /var/www/html/vendor/symfony/console/Tests/Fixtures/FooWithoutAliasCommand.php:7 Stack trace: #0 {main} thrown in /var/www/html/vendor/symfony/console/Tests/Fixtures/FooWithoutAliasCommand.php on line 7