Fatal error: Uncaught Error: Class "League\CommonMark\Node\Inline\AbstractInline" not found in /Users/m4_production_1/Sites/ipt/iptkids/vendor/league/commonmark/src/Extension/HeadingPermalink/HeadingPermalink.php:21 Stack trace: #0 {main} thrown in /Users/m4_production_1/Sites/ipt/iptkids/vendor/league/commonmark/src/Extension/HeadingPermalink/HeadingPermalink.php on line 21