Fatal error: Uncaught Error: Class "MediaWiki\CheckUser\Api\Rest\Handler\AbstractTemporaryAccountHandler" not found in C:\xampp\htdocs\extensions\CheckUser\src\Api\Rest\Handler\AbstractTemporaryAccountNameHandler.php:21 Stack trace: #0 {main} thrown in C:\xampp\htdocs\extensions\CheckUser\src\Api\Rest\Handler\AbstractTemporaryAccountNameHandler.php on line 21