Fatal error: Uncaught Error: Class "Google\AuthHandler\Guzzle6AuthHandler" not found in D:\htdocs\SuiteCRM\tmp\package\upgrade\SuiteCRM-8.9.1-extracted\vendor\google\apiclient\src\AuthHandler\Guzzle7AuthHandler.php:23 Stack trace: #0 {main} thrown in D:\htdocs\SuiteCRM\tmp\package\upgrade\SuiteCRM-8.9.1-extracted\vendor\google\apiclient\src\AuthHandler\Guzzle7AuthHandler.php on line 23