Fatal error: Uncaught Error: Class "Symfony\Component\Console\Command\Command" not found in C:\Apache24\htdocs\cms_upgrade\vendor\consolidation\self-update\src\SelfUpdateCommand.php:20 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\cms_upgrade\vendor\consolidation\self-update\src\SelfUpdateCommand.php on line 20