You can click on the Google or Yahoo buttons to sign-in with these identity providers,
or you just type your identity uri and click on the little login button.
Starting from http://neurospin-cubicweb.intra.cea.fr/localizer/Assessment, click on any *_genetics Assessment. You'll get the error on this screenshot.
File #3031683 - created on 2013/07/22 by Dimitri Papadopoulos