Fatal error: Uncaught Error: Interface "Google\Auth\ExternalAccountCredentialSourceInterface" not found in E:\www\tts\vendor\google\auth\src\CredentialSource\AwsNativeSource.php:28 Stack trace: #0 {main} thrown in E:\www\tts\vendor\google\auth\src\CredentialSource\AwsNativeSource.php on line 28