Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\Exception\HttpException" not found in F:\FMS\fms-api\vendor-old\symfony\http-kernel\Exception\ServiceUnavailableHttpException.php:17 Stack trace: #0 {main} thrown in F:\FMS\fms-api\vendor-old\symfony\http-kernel\Exception\ServiceUnavailableHttpException.php on line 17