Fatal error: Uncaught Error: Interface "GuzzleHttp\Promise\TaskQueueInterface" not found in E:\www\frey\qgmvc\v1.0\composer\vendor\guzzlehttp\promises\src\TaskQueue.php:13 Stack trace: #0 {main} thrown in E:\www\frey\qgmvc\v1.0\composer\vendor\guzzlehttp\promises\src\TaskQueue.php on line 13