Fatal error: Uncaught Error: Class "MediaWiki\SpecialPage\ContributionsSpecialPage" not found in C:\xampp\htdocs\extensions\CheckUser\src\GlobalContributions\SpecialGlobalContributions.php:26 Stack trace: #0 {main} thrown in C:\xampp\htdocs\extensions\CheckUser\src\GlobalContributions\SpecialGlobalContributions.php on line 26