Fatal error: Uncaught Error: Class "League\CommonMark\Block\Element\AbstractBlock" not found in /home/alkhalaffamily/public_html/educourses/vendor/league/commonmark/src/Extension/TableOfContents/Node/TableOfContentsPlaceholder.php:17
Stack trace:
#0 {main}
thrown in /home/alkhalaffamily/public_html/educourses/vendor/league/commonmark/src/Extension/TableOfContents/Node/TableOfContentsPlaceholder.php on line 17