Fatal error: Uncaught Error: Class 'Symfony\Component\Console\Command\Command' not found in C:\xampp\htdocs\amik7d\vendor\symfony\console\Command\DumpCompletionCommand.php:28 Stack trace: #0 {main} thrown in C:\xampp\htdocs\amik7d\vendor\symfony\console\Command\DumpCompletionCommand.php on line 28