Fatal error: Uncaught Error: Interface "MediaWiki\SpecialPage\Hook\SpecialPage_initListHook" not found in C:\xampp\htdocs\extensions\CheckUser\src\HookHandler\ConditionalRegistrationHandler.php:25 Stack trace: #0 {main} thrown in C:\xampp\htdocs\extensions\CheckUser\src\HookHandler\ConditionalRegistrationHandler.php on line 25