Fatal error: Uncaught Error: Class "MediaWiki\SpecialPage\SpecialPage" not found in C:\xampp\htdocs\extensions\ReplaceText\src\SpecialReplaceText.php:48 Stack trace: #0 {main} thrown in C:\xampp\htdocs\extensions\ReplaceText\src\SpecialReplaceText.php on line 48