Fatal error: Uncaught Error: Class "Google\Collection" not found in C:\xampp\htdocs\hannoole\PMS\vendor\google\apiclient-services\src\RealTimeBidding\DownloadSizeEvidence.php:20 Stack trace: #0 {main} thrown in C:\xampp\htdocs\hannoole\PMS\vendor\google\apiclient-services\src\RealTimeBidding\DownloadSizeEvidence.php on line 20