Fatal error: Uncaught Error: Interface "MediaWiki\SpecialPage\Hook\SpecialPageBeforeExecuteHook" not found in C:\xampp\htdocs\extensions\CheckUser\src\HookHandler\ClientHints.php:17 Stack trace: #0 {main} thrown in C:\xampp\htdocs\extensions\CheckUser\src\HookHandler\ClientHints.php on line 17