Fatal error: Uncaught Error: Interface "GuzzleHttp\Stream\StreamInterface" not found in C:\AppServ\www\greenhess-storage\vendor\guzzlehttp\guzzle\src\Post\PostBodyInterface.php:11 Stack trace: #0 {main} thrown in C:\AppServ\www\greenhess-storage\vendor\guzzlehttp\guzzle\src\Post\PostBodyInterface.php on line 11