Fatal error: Uncaught Error: Interface "Symfony\Component\HttpKernel\Exception\HttpExceptionInterface" not found in C:\WebServer\htdocs\bookshelf\vendor\symfony\http-kernel\Exception\HttpException.php:19 Stack trace: #0 {main} thrown in C:\WebServer\htdocs\bookshelf\vendor\symfony\http-kernel\Exception\HttpException.php on line 19