Fatal error: Uncaught Error: Class 'Google\Collection' not found in C:\xampp7\htdocs\sigpkl\vendor\google\apiclient-services\src\ChecksService\GoogleChecksAccountV1alphaListAppsResponse.php:20 Stack trace: #0 {main} thrown in C:\xampp7\htdocs\sigpkl\vendor\google\apiclient-services\src\ChecksService\GoogleChecksAccountV1alphaListAppsResponse.php on line 20