Fatal error: Uncaught Error: Class "Symfony\Component\Console\Command\Command" not found in C:\Apache24_x64\htdocs\origin_cms8\vendor\symfony\console\Command\DumpCompletionCommand.php:28 Stack trace: #0 {main} thrown in C:\Apache24_x64\htdocs\origin_cms8\vendor\symfony\console\Command\DumpCompletionCommand.php on line 28