base_report_creator reports crash trying to filter data

HI:

Installed base_report_creator.
Created a very simple report with partner name and phone.
Executed the report
Trying to filter data on tree by name or phone, I obtain this error

Environment Information :
System : Windows-32bit
OS Name : nt
Operating System Release :
Operating System Version : 32bit
Operating System Architecture : 32bit
Operating System Locale : es_ES.cp1252
Python Version : 2.5.2
OpenERP-Client Version : 6.0.2
Last revision No. & ID :Bazaar Package not Found !Traceback (most recent call last):
  File "/usr/local/lib/python2.6/dist-packages/openerp-server/netsvc.py", line 489, in dispatch
    result = ExportService.getService(service_name).dispatch(method, auth, params)
  File "/usr/local/lib/python2.6/dist-packages/openerp-server/service/web_services.py", line 599, in dispatch
    res = fn(db, uid, *params)
  File "/usr/local/lib/python2.6/dist-packages/openerp-server/osv/osv.py", line 122, in wrapper
    return f(self, dbname, *args, **kwargs)
  File "/usr/local/lib/python2.6/dist-packages/openerp-server/osv/osv.py", line 176, in execute
    res = self.execute_cr(cr, uid, obj, method, *args, **kw)
  File "/usr/local/lib/python2.6/dist-packages/openerp-server/osv/osv.py", line 167, in execute_cr
    return getattr(object, method)(cr, uid, *args, **kw)
  File "/usr/local/lib/python2.6/dist-packages/openerp-server/addons/base_report_creator/base_report_creator.py", line 208, in search
    newargs += res[0]
TypeError: 'Query' object does not support indexing

Thank you:

Ana