Fatal error: Uncaught Error: Class "Google\Auth\CredentialsLoader" not found in E:\bin\Apache24\htdocs\composer\vendor\google\auth\src\Credentials\ServiceAccountCredentials.php:61 Stack trace: #0 {main} thrown in E:\bin\Apache24\htdocs\composer\vendor\google\auth\src\Credentials\ServiceAccountCredentials.php on line 61