Fatal error: Uncaught Error: Interface "League\CommonMark\Reference\ReferenceInterface" not found in /home/custom/public_html/katiekarr/vendor/league/commonmark/src/Reference/Reference.php:22 Stack trace: #0 {main} thrown in /home/custom/public_html/katiekarr/vendor/league/commonmark/src/Reference/Reference.php on line 22