Error when selecting menu "Patient Generation and Sharing"

It seems the error is due to a configuration issue in the Testing Session. Indeed there is no problem when accessing the page from the Bern Testing Session.

Here is how to reproduce the problem :
Log into Gazelle Test Management.
Select Testing Session "Gazelle - European Connectathon 2013 - Istanbul".
Select Menu : Patient Generation and Sharing

Here is a dump of the errors in the jboss logs :

gazelle-tm.ear/gazelle-tm.war/:epoiseau 08:48:31,978 ERROR [viewhandler] Error Rendering View[/testing/patients/updatePatient.xhtml]
******* java.lang.IllegalArgumentException: Expected a child component type of UISelectItem/UISelectItems for component type javax.faces.SelectOne(j_id362). Found null.
    (1) java.lang.Thread.run(Thread.java:619)
    (2) at org.richfaces.renderkit.html.ModalPanelRenderer.doEncodeChildren(ModalPanelRenderer.java:363)
    (3) at org.richfaces.renderkit.html.ModalPanelRenderer.doEncodeChildren(ModalPanelRenderer.java:368)
gazelle-tm.ear/gazelle-tm.war/:epoiseau 08:48:31,979 SEVERE [lifecycle] JSF1054: (Phase ID: RENDER_RESPONSE 6, View ID: /testing/patients/updatePatient.xhtml) Exception thrown during phase execution: javax.faces.event.PhaseEvent[source=com.sun.faces.lifecycle.LifecycleImpl@276cdf35]
gazelle-tm.ear/gazelle-tm.war/:epoiseau 08:48:31,989 ERROR [Exceptions] handled and logged exception
******* java.lang.IllegalArgumentException: Expected a child component type of UISelectItem/UISelectItems for component type javax.faces.SelectOne(j_id362). Found null.
    (1) java.lang.Thread.run(Thread.java:619)
    (2) at org.richfaces.renderkit.html.ModalPanelRenderer.doEncodeChildren(ModalPanelRenderer.java:363)
    (3) at org.richfaces.renderkit.html.ModalPanelRenderer.doEncodeChildren(ModalPanelRenderer.java:368)
Caught by :
    (1) java.lang.Thread.run(Thread.java:619)
Rethrow javax.servlet.ServletException: Expected a child component type of UISelectItem/UISelectItems for component type javax.faces.SelectOne(j_id362). Found null.