Fatal error: Uncaught Error: Class "MediaWiki\ResourceLoader\Module" not found in /var/www/html/orian-wiki/extensions/Math/src/MathMathSymbolsDataModule.php:13 Stack trace: #0 {main} thrown in /var/www/html/orian-wiki/extensions/Math/src/MathMathSymbolsDataModule.php on line 13