Fatal error: Uncaught Error: Interface "MediaWiki\Page\Hook\BeforeDisplayNoArticleTextHook" not found in C:\xampp\htdocs\extensions\DiscussionTools\includes\Hooks\PageHooks.php:41 Stack trace: #0 {main} thrown in C:\xampp\htdocs\extensions\DiscussionTools\includes\Hooks\PageHooks.php on line 41