Fatal error: Uncaught Error: Interface "League\CommonMark\Reference\ReferenceInterface" not found in /srv/www/sites/public/starter-cms/vendor/league/commonmark/src/Reference/Reference.php:22 Stack trace: #0 {main} thrown in /srv/www/sites/public/starter-cms/vendor/league/commonmark/src/Reference/Reference.php on line 22