Fatal error: Uncaught Error: Interface "League\CommonMark\Renderer\NodeRendererInterface" not found in C:\www\Apache24\htdocs\agenda-dif\vendor\league\commonmark\src\Extension\CommonMark\Renderer\Block\HeadingRenderer.php:26 Stack trace: #0 {main} thrown in C:\www\Apache24\htdocs\agenda-dif\vendor\league\commonmark\src\Extension\CommonMark\Renderer\Block\HeadingRenderer.php on line 26