Fatal error: Uncaught Error: Class "MediaWiki\SpecialPage\ContributionsSpecialPage" not found in C:\xampp\htdocs\extensions\CheckUser\src\IPContributions\SpecialIPContributions.php:28 Stack trace: #0 {main} thrown in C:\xampp\htdocs\extensions\CheckUser\src\IPContributions\SpecialIPContributions.php on line 28