Fatal error: Uncaught Error: Class "MediaWiki\Pager\ContributionsPager" not found in C:\xampp\htdocs\extensions\CheckUser\src\IPContributions\IPContributionsPager.php:23 Stack trace: #0 {main} thrown in C:\xampp\htdocs\extensions\CheckUser\src\IPContributions\IPContributionsPager.php on line 23