Fatal error: Uncaught Error: Class "MediaWiki\ResourceLoader\WikiModule" not found in /home/hiphopdi/public_html/wiki2/extensions/Gadgets/includes/GadgetResourceLoaderModule.php:12 Stack trace: #0 {main} thrown in /home/hiphopdi/public_html/wiki2/extensions/Gadgets/includes/GadgetResourceLoaderModule.php on line 12