Fatal error: Uncaught Error: Class 'Google_Collection' not found in /home/app/htdocs/ninja/vendor/google/apiclient-services/src/Google/Service/Classroom/ModifyAttachmentsRequest.php:18 Stack trace: #0 {main} thrown in /home/app/htdocs/ninja/vendor/google/apiclient-services/src/Google/Service/Classroom/ModifyAttachmentsRequest.php on line 18