Fatal error: Uncaught Error: Class "core\content\export\exportable_item" not found in /srv/www/htdocs/moodle/lib/classes/content/export/exportable_items/exportable_filearea.php:44 Stack trace: #0 {main} thrown in /srv/www/htdocs/moodle/lib/classes/content/export/exportable_items/exportable_filearea.php on line 44