Fatal error: Uncaught Error: Interface "MediaWiki\ResourceLoader\Hook\ResourceLoaderGetConfigVarsHook" not found in C:\xampp\htdocs\extensions\Math\src\HookHandlers\ResourceLoaderConfigHandler.php:9 Stack trace: #0 {main} thrown in C:\xampp\htdocs\extensions\Math\src\HookHandlers\ResourceLoaderConfigHandler.php on line 9