Fatal error: Uncaught Error: Class "MediaWiki\SpecialPage\SpecialPage" not found in C:\xampp\htdocs\extensions\OATHAuth\src\Special\OATHManage.php:43 Stack trace: #0 {main} thrown in C:\xampp\htdocs\extensions\OATHAuth\src\Special\OATHManage.php on line 43