Fatal error: Uncaught Error: Class "League\CommonMark\Inline\Element\AbstractInline" not found in C:\Apache24_x64\htdocs\ex-vak-new\vendor\league\commonmark\src\Extension\HeadingPermalink\HeadingPermalink.php:19 Stack trace: #0 {main} thrown in C:\Apache24_x64\htdocs\ex-vak-new\vendor\league\commonmark\src\Extension\HeadingPermalink\HeadingPermalink.php on line 19