Fatal error: Uncaught Error: Class "core\event\base" not found in C:\Apache24\htdocs\moodle\admin\tool\mfa\factor\email\classes\event\unauth_email.php:33 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\moodle\admin\tool\mfa\factor\email\classes\event\unauth_email.php on line 33