Fatal error: Uncaught Error: Class 'core\oauth2\discovery\openidconnect' not found in /home/aefn/public_html/moodle/lib/classes/oauth2/service/facebook.php:31 Stack trace: #0 {main} thrown in /home/aefn/public_html/moodle/lib/classes/oauth2/service/facebook.php on line 31