Fatal error: Uncaught Error: Class "core_external\external_api" not found in /srv/www/htdocs/moodle/lib/classes/external/moodlenet_get_shared_course_info.php:36 Stack trace: #0 {main} thrown in /srv/www/htdocs/moodle/lib/classes/external/moodlenet_get_shared_course_info.php on line 36