Fatal error: Uncaught Error: Class 'Concrete\Core\Console\Command' not found in /var/www/html/navirre.com/htdocs/concrete/src/Console/Command/InstallPackageCommand.php:21 Stack trace: #0 {main} thrown in /var/www/html/navirre.com/htdocs/concrete/src/Console/Command/InstallPackageCommand.php on line 21