Fatal error: Uncaught Error: Interface "Google\Auth\FetchAuthTokenInterface" not found in D:\xampp\htdocs\SSWPOS\vendor\google\cloud-core\src\AnonymousCredentials.php:28 Stack trace: #0 {main} thrown in D:\xampp\htdocs\SSWPOS\vendor\google\cloud-core\src\AnonymousCredentials.php on line 28