Fatal error: Uncaught Error: Class "core\task\scheduled_task" not found in C:\Apache24\htdocs\moodle\admin\tool\cohortroles\classes\task\cohort_role_sync.php:35 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\moodle\admin\tool\cohortroles\classes\task\cohort_role_sync.php on line 35