Fatal error: Uncaught Error: Class "MediaWiki\SpecialPage\RedirectSpecialPage" not found in /home/floten1/q.tenbergen.ca/extensions/MobileFrontend/includes/specials/SpecialMobileDiff.php:11 Stack trace: #0 {main} thrown in /home/floten1/q.tenbergen.ca/extensions/MobileFrontend/includes/specials/SpecialMobileDiff.php on line 11