Fatal error: Uncaught Error: Class 'Concrete\Core\Foundation\Command\Command' not found in /home/geofieldwa/www/concrete/src/Page/Sitemap/Command/GenerateSitemapCommand.php:7 Stack trace: #0 {main} thrown in /home/geofieldwa/www/concrete/src/Page/Sitemap/Command/GenerateSitemapCommand.php on line 7