Fatal error: Uncaught Error: Class 'League\CommonMark\Inline\Element\AbstractInline' not found in /home/kingelearn/public_html/vendor/league/commonmark/src/Extension/HeadingPermalink/HeadingPermalink.php:19 Stack trace: #0 {main} thrown in /home/kingelearn/public_html/vendor/league/commonmark/src/Extension/HeadingPermalink/HeadingPermalink.php on line 19