When viewing Wikipedia on Minerva in desktop mode I see PHP warnings
https://en.wikipedia.org/wiki/Head_cheese?useskin=minerva&useformat=desktop
Notice: Undefined index: footer-site-heading-html in /Users/jrobson/git/core/extensions/MobileFrontend/includes/skins/MinervaTemplate.php on line 98
Notice: Undefined index: mobile-license in /Users/jrobson/git/core/extensions/MobileFrontend/includes/skins/MinervaTemplate.php on line 99
When viewing Vector mobile we do not display a license at all due to the same issue.