Fatal error: Uncaught Error: Interface "League\CommonMark\Extension\ConfigurableExtensionInterface" not found in C:\svn\carga\vendor\league\commonmark\src\Extension\Footnote\FootnoteExtension.php:38 Stack trace: #0 {main} thrown in C:\svn\carga\vendor\league\commonmark\src\Extension\Footnote\FootnoteExtension.php on line 38