Fatal error: Uncaught Error: Interface "MediaWiki\Hook\ParserFirstCallInitHook" not found in C:\xampp\htdocs\extensions\Math\src\HookHandlers\ParserHooksHandler.php:23 Stack trace: #0 {main} thrown in C:\xampp\htdocs\extensions\Math\src\HookHandlers\ParserHooksHandler.php on line 23