[wiki] internal server error for ?action=info&hitcounts=1

[Philippe Baret <philophil_debian@hyperlecture.net>]

Hello,

this feature in debian wiki returns an internal server error
?action=info&hitcounts=1

please see the output message
http://i.imgur.com/mLVQcmc.png

tested from
https://wiki.debian.org/fr/FreedomBox/NotesPublications?action=info&hitcounts=1

Philippe