Fatal error: Uncaught Error: Interface 'Psr\Http\Message\StreamInterface' not found in D:\svn\epic-site(사전예약)\default\vendor\guzzlehttp\psr7\src\InflateStream.php:17 Stack trace: #0 {main} thrown in D:\svn\epic-site(사전예약)\default\vendor\guzzlehttp\psr7\src\InflateStream.php on line 17