Fatal error: Uncaught Error: Class "MediaWiki\SpecialPage\FormSpecialPage" not found in C:\xampp\htdocs\extensions\OATHAuth\src\Special\VerifyOATHForUser.php:19 Stack trace: #0 {main} thrown in C:\xampp\htdocs\extensions\OATHAuth\src\Special\VerifyOATHForUser.php on line 19