Fatal error: Uncaught Error: Class "Google\Cloud\Core\Upload\ResumableUploader" not found in /home/easysales/public_html/prosdata/google-cloud-php/vendor/google/cloud-core/src/Upload/StreamableUploader.php:29 Stack trace: #0 {main} thrown in /home/easysales/public_html/prosdata/google-cloud-php/vendor/google/cloud-core/src/Upload/StreamableUploader.php on line 29