Fatal error: Uncaught Error: Class "Symfony\Component\Console\Style\OutputStyle" not found in D:\Apache24\www\project\Backstage\vendor\symfony\console\Style\SymfonyStyle.php:37 Stack trace: #0 {main} thrown in D:\Apache24\www\project\Backstage\vendor\symfony\console\Style\SymfonyStyle.php on line 37