[experiments] Clicking on "Expand" on a plot produce an error 500
For instance on this page: http://beatweb-staging/experiments/anjos/anjos/livdet-lda/1/livdet-2013-biometrika-test/
For instance on this page: http://beatweb-staging/experiments/anjos/anjos/livdet-lda/1/livdet-2013-biometrika-test/