Fatal error: Uncaught Error: Interface "MediaWiki\Extension\DiscussionTools\Hooks\DiscussionToolsAddOverflowMenuItemsHook" not found in C:\xampp\htdocs\extensions\DiscussionTools\includes\Hooks\DiscussionToolsHooks.php:19 Stack trace: #0 {main} thrown in C:\xampp\htdocs\extensions\DiscussionTools\includes\Hooks\DiscussionToolsHooks.php on line 19