Fatal error: Uncaught Error: Class 'Symfony\Component\Console\Command\Command' not found in E:\xampp\htdocs\webhost_v3\vendor\symfony\console\Command\DumpCompletionCommand.php:28 Stack trace: #0 {main} thrown in E:\xampp\htdocs\webhost_v3\vendor\symfony\console\Command\DumpCompletionCommand.php on line 28