Fatal error: Uncaught Error: Class "Symfony\Component\HttpFoundation\StreamedResponse" not found in C:\WebServer\htdocs\bookshelf\vendor\symfony\http-foundation\StreamedJsonResponse.php:45 Stack trace: #0 {main} thrown in C:\WebServer\htdocs\bookshelf\vendor\symfony\http-foundation\StreamedJsonResponse.php on line 45