Fatal error: Uncaught Error: Class "Symfony\Component\Console\Command\Command" not found in /var/www/unitedcomputerservice.com/htdocs/wp-content/plugins/gantry5/vendor/symfony/yaml/Command/LintCommand.php:31 Stack trace: #0 {main} thrown in /var/www/unitedcomputerservice.com/htdocs/wp-content/plugins/gantry5/vendor/symfony/yaml/Command/LintCommand.php on line 31