When running Nimbus 7939f890f4d942011f6987bf36ad523289338d80 I get the following error:
Notice: Did not find alias for special page 'TopUsers'. Perhaps no aliases are defined for it? [Called from MediaWiki\SpecialPage\SpecialPageFactory::getLocalNameFor in mediawiki/includes/specialpage/SpecialPageFactory.php at line 738] in mediawiki/includes/debug/MWDebug.php on line 393