Popup "TinyMessage: No action defined"

Log in. Choose any submenu that has children items in left main menu. This bug related to changes in 4460 revision.

127.0.0.1 - - [22/Jan/2011:16:12:42] "POST /openerp/tree/data HTTP/1.1" 200 197 "http://localhost:8080/openerp/menu?active=98" "Mozilla/5.0 (X11; U; Linux i686; en-US) AppleWebKit/534.16 (KHTML, like Gecko) Ubuntu/10.10 Chromium/10.0.642.2 Chrome/10.0.642.2 Safari/534.16"
[22/Jan/2011:16:12:42] HTTP
Request Headers:
  REFERER: http://localhost:8080/openerp/menu?active=98
  HOST: localhost:8080
  X-REQUESTED-WITH: XMLHttpRequest
  ACCEPT: */*
  ACCEPT-CHARSET: UTF-8,*;q=0.5
  USER-AGENT: Mozilla/5.0 (X11; U; Linux i686; en-US) AppleWebKit/534.16 (KHTML, like Gecko) Ubuntu/10.10 Chromium/10.0.642.2 Chrome/10.0.642.2 Safari/534.16
  CONNECTION: keep-alive
  COOKIE: terp_db=test; terp_user=admin; session_id=73e23faa1b17cfa10901436a0c4aeafa5359a400
  Remote-Addr: 127.0.0.1
  ACCEPT-LANGUAGE: ru-RU,ru;q=0.8,en-US;q=0.6,en;q=0.4
  ACCEPT-ENCODING: gzip,deflate,sdch
[22/Jan/2011:16:12:42] HTTP Traceback (most recent call last):
  File "/usr/local/lib/python2.6/dist-packages/CherryPy-3.1.2-py2.6.egg/cherrypy/_cprequest.py", line 606, in respond
    cherrypy.response.body = self.handler()
  File "/usr/local/lib/python2.6/dist-packages/CherryPy-3.1.2-py2.6.egg/cherrypy/_cpdispatch.py", line 25, in __call__
    return self.callable(*self.args, **self.kwargs)
  File "/home/kodemi/src/openerp6/web/openobject/tools/_expose.py", line 182, in func_wrapper
    res = func(*args, **kw)
  File "/home/kodemi/src/openerp6/web/openobject/controllers/_root.py", line 87, in default
    return request.handler()
  File "/usr/local/lib/python2.6/dist-packages/CherryPy-3.1.2-py2.6.egg/cherrypy/_cpdispatch.py", line 25, in __call__
    return self.callable(*self.args, **self.kwargs)
  File "/home/kodemi/src/openerp6/web/addons/openerp/controllers/utils.py", line 112, in wrapper
    return fn(*args, **kw)
  File "/home/kodemi/src/openerp6/web/openobject/tools/_expose.py", line 182, in func_wrapper
    res = func(*args, **kw)
  File "/home/kodemi/src/openerp6/web/addons/openerp/controllers/tree.py", line 272, in open
    'ids': kw.get('id')})
  File "/home/kodemi/src/openerp6/web/addons/openerp/controllers/tree.py", line 231, in do_action
    report_type='pdf')
  File "/home/kodemi/src/openerp6/web/addons/openerp/controllers/actions.py", line 464, in execute_by_keyword
    raise common.message(_('No action defined'))
  File "/home/kodemi/src/openerp6/web/addons/openerp/utils/common.py", line 72, in message
    raise TinyMessage(message=msg)
TinyMessage: No action defined