Fatal error: Uncaught Error: Class "Google\Service\Resource" not found in E:\bin\Apache24\htdocs\composer\vendor\google\apiclient-services\src\Books\Resource\Promooffer.php:31 Stack trace: #0 {main} thrown in E:\bin\Apache24\htdocs\composer\vendor\google\apiclient-services\src\Books\Resource\Promooffer.php on line 31