Fatal error: Uncaught Error: Class "MediaWiki\Extension\Math\WikiTexVC\MMLnodes\MMLleaf" not found in C:\xampp\htdocs\extensions\Math\src\WikiTexVC\MMLnodes\MMLmn.php:11 Stack trace: #0 {main} thrown in C:\xampp\htdocs\extensions\Math\src\WikiTexVC\MMLnodes\MMLmn.php on line 11