Fatal error: Uncaught Error: Interface "Psr\Http\Client\ClientExceptionInterface" not found in E:\www\frey\qgmvc\v1.0\composer\vendor\psr\http-client\src\NetworkExceptionInterface.php:14 Stack trace: #0 {main} thrown in E:\www\frey\qgmvc\v1.0\composer\vendor\psr\http-client\src\NetworkExceptionInterface.php on line 14