Fatal error: Uncaught Error: Class "League\CommonMark\Inline\Element\AbstractInline" not found in /home/alkhalaffamily/public_html/educourses/vendor/league/commonmark/src/Extension/Footnote/Node/FootnoteBackref.php:23 Stack trace: #0 {main} thrown in /home/alkhalaffamily/public_html/educourses/vendor/league/commonmark/src/Extension/Footnote/Node/FootnoteBackref.php on line 23