Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\Exception\HttpException" not found in C:\svn\conexerp\vendor\symfony\http-kernel\Exception\PreconditionFailedHttpException.php:17 Stack trace: #0 {main} thrown in C:\svn\conexerp\vendor\symfony\http-kernel\Exception\PreconditionFailedHttpException.php on line 17