Fatal error: Uncaught Error: Class "League\CommonMark\Node\Block\AbstractBlock" not found in /home/custom/public_html/katiekarr/vendor/league/commonmark/src/Extension/TableOfContents/Node/TableOfContentsPlaceholder.php:18 Stack trace: #0 {main} thrown in /home/custom/public_html/katiekarr/vendor/league/commonmark/src/Extension/TableOfContents/Node/TableOfContentsPlaceholder.php on line 18