Fatal error: Uncaught Error: Interface "Google\Auth\FetchAuthTokenInterface" not found in /home/mapone/public_html/vendor/google/gax/tests/Mocks/MockCredentialsLoader.php:37 Stack trace: #0 {main} thrown in /home/mapone/public_html/vendor/google/gax/tests/Mocks/MockCredentialsLoader.php on line 37