Fatal error: Uncaught Error: Class "core\oauth2\discovery\base_definition" not found in /srv/www/htdocs/moodle/lib/classes/oauth2/discovery/imsbadgeconnect.php:33 Stack trace: #0 {main} thrown in /srv/www/htdocs/moodle/lib/classes/oauth2/discovery/imsbadgeconnect.php on line 33