Fatal error: Uncaught Error: Interface 'League\CommonMark\Parser\MarkdownParserInterface' not found in C:\Apache24\htdocs\vendor.old2\league\commonmark\src\Parser\MarkdownParser.php:39 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\vendor.old2\league\commonmark\src\Parser\MarkdownParser.php on line 39