Problem widget references upgrading 1.9.x

Hello! (:P)

Widgets references> keywords does not work properly after upgrading to 1.9.x Piwik, when I want to see the details of the references indicates “no data for this report”

[attachment 935 Capturadepantallade2012-10-2912:18:49.png]

Tab visualize from the references, these are displayed correctly, as seen in the picture below

[attachment 936 Capturadepantallade2012-10-2912:22:30.png]

Any idea of the problem?