Fatal error: Uncaught Error: Class 'Google\Service\Resource' not found in C:\xampp7\htdocs\sigpkl\vendor\google\apiclient-services\src\Classroom\Resource\CoursesCourseWorkStudentSubmissions.php:36 Stack trace: #0 {main} thrown in C:\xampp7\htdocs\sigpkl\vendor\google\apiclient-services\src\Classroom\Resource\CoursesCourseWorkStudentSubmissions.php on line 36