Fatal error: Uncaught Error: Class 'Symfony\Component\Console\Output\StreamOutput' not found in D:\svn\epic-site(사전예약)\default\vendor\psy\psysh\src\Output\ProcOutputPager.php:24 Stack trace: #0 {main} thrown in D:\svn\epic-site(사전예약)\default\vendor\psy\psysh\src\Output\ProcOutputPager.php on line 24