Room Booking fails for empty database

[pferreir]

Installed Indico, and immediatly activated room booking. The first time I go to the Room Booking part, I get an exception.

2010-09-30 14:48:26,598 indico.requestHandler - ERROR base.py:332 -- Request 47844295072080 failed: "AttributeError: 'NoneType' object has no attribute 'friendlyName' - - - -> {Python code generated from templates is available in /opt/indico/tmp/RoomBookingSearch4Rooms.tpl.error.py file(s)}"

url: http://indicodev2.cern.ch:80/roomBooking.py/search4Rooms?forNewBooking=True

parameters: {'forNewBooking': 'True'}

Traceback (most recent call last):
  File "/usr/lib/python2.6/site-packages/cds_indico-0.98_dev-py2.6.egg/MaKaC/webinterface/rh/base.py", line 485, in process
    res = self._process()
  File "/usr/lib/python2.6/site-packages/cds_indico-0.98_dev-py2.6.egg/MaKaC/webinterface/rh/roomBooking.py", line 602, in _process
    return p.display()
  File "/usr/lib/python2.6/site-packages/cds_indico-0.98_dev-py2.6.egg/MaKaC/webinterface/pages/base.py", line 165, in display
    self._display( params ), \
  File "/usr/lib/python2.6/site-packages/cds_indico-0.98_dev-py2.6.egg/MaKaC/webinterface/pages/main.py", line 159, in _display
    body = WMainBase(self._getBody( params ), self._timezone, self._getNavigationDrawer(),
  File "/usr/lib/python2.6/site-packages/cds_indico-0.98_dev-py2.6.egg/MaKaC/webinterface/pages/roomBooking.py", line 192, in _getBody
    return wc.getHTML( params )
  File "/usr/lib/python2.6/site-packages/cds_indico-0.98_dev-py2.6.egg/MaKaC/webinterface/wcomponents.py", line 194, in getHTML
    tempHTML = TemplateExec.executeTemplate( text, vars, self.tplId )
  File "/usr/lib/python2.6/site-packages/cds_indico-0.98_dev-py2.6.egg/MaKaC/common/TemplateExec.py", line 410, in executeTemplate
    raise TemplateExecException( e )
TemplateExecException: AttributeError: 'NoneType' object has no attribute 'friendlyName' - - - -> {Python code generated from templates is available in /opt/indico/tmp/RoomBookingSearch4Rooms.tpl.error.py file(s)}

[arescope]

It is not reproducible in the las version of Indico. Everything is going correctly.