Fatal error: Uncaught Error: Class "Symfony\Component\Console\Command\Command" not found in /home/.sites/site4/wwwroot/web/4.0/ui/vendor/symfony/yaml/Command/LintCommand.php:37 Stack trace: #0 {main} thrown in /home/.sites/site4/wwwroot/web/4.0/ui/vendor/symfony/yaml/Command/LintCommand.php on line 37