Fatal error: Uncaught Error: Interface "League\CommonMark\Environment\EnvironmentAwareInterface" not found in /home/custom/public_html/katiekarr/vendor/league/commonmark/src/Extension/HeadingPermalink/HeadingPermalinkProcessor.php:30 Stack trace: #0 {main} thrown in /home/custom/public_html/katiekarr/vendor/league/commonmark/src/Extension/HeadingPermalink/HeadingPermalinkProcessor.php on line 30