Spotted in production:
106 Undefined index: data-user-name in /srv/mediawiki/php-1.26wmf9/extensions/MobileFrontend/includes/skins/MinervaTemplate.php on line 175 106 Undefined index: data-user-gender in /srv/mediawiki/php-1.26wmf9/extensions/MobileFrontend/includes/skins/MinervaTemplate.php on line 176