Fatal error: Uncaught Error: Class "Google\Service\Resource" not found in I:\www\pvcCloud\vendor\google\apiclient-services\src\HangoutsChat\Resource\Users.php:28 Stack trace: #0 {main} thrown in I:\www\pvcCloud\vendor\google\apiclient-services\src\HangoutsChat\Resource\Users.php on line 28