Fatal error: Uncaught Error: Class 'Concrete\Core\Foundation\Command\Command' not found in /home/gmcguire/public_html/concrete5/concrete/src/Page/Container/Command/ContainerCommand.php:9 Stack trace: #0 {main} thrown in /home/gmcguire/public_html/concrete5/concrete/src/Page/Container/Command/ContainerCommand.php on line 9