Fatal error: Uncaught Error: Interface "GuzzleHttp\Event\SubscriberInterface" not found in C:\AppServ\www\greenhess-storage\vendor\guzzlehttp\oauth-subscriber\src\Oauth1.php:26 Stack trace: #0 {main} thrown in C:\AppServ\www\greenhess-storage\vendor\guzzlehttp\oauth-subscriber\src\Oauth1.php on line 26