cubicweb #2105833 crash on /cwuser: 'tuple' object has no attribute 'sortvalue' [resolved]

visit the /cwuser page of a 3.14.0 instance (I tried this on https://intranet.logilab.fr/activites/cwuser) the users tab does not display. The error message displayed in the UI says "'tuple' object has no attribute 'sortvalue'"

priorityimportant
typebug
done in3.14.1
load left0.000
closed by<not specified>