Fatal error: Uncaught Error: Interface "League\CommonMark\Extension\HeadingPermalink\Slug\SlugGeneratorInterface" not found in C:\Apache24_x64\htdocs\new-vak\vendor\league\commonmark\src\Extension\HeadingPermalink\Slug\DefaultSlugGenerator.php:23 Stack trace: #0 {main} thrown in C:\Apache24_x64\htdocs\new-vak\vendor\league\commonmark\src\Extension\HeadingPermalink\Slug\DefaultSlugGenerator.php on line 23