Fatal error: Uncaught Error: Class 'Symfony\Component\HttpFoundation\ParameterBag' not found in D:\svn\epic-site(사전예약)\default\vendor\symfony\http-foundation\FileBag.php:22 Stack trace: #0 {main} thrown in D:\svn\epic-site(사전예약)\default\vendor\symfony\http-foundation\FileBag.php on line 22