Traceback (most recent call last):
  File "/usr/lib/python2.4/site-packages/cherrypy/_cphttptools.py", line 211, in doRequest
    handleRequest(cpg.response.wfile)
  File "/usr/lib/python2.4/site-packages/cherrypy/_cphttptools.py", line 405, in handleRequest
    body = func(*(virtualPathList + cpg.request.paramList), **(cpg.request.paramMap))
  File "base.py", line 640, in default
    return getattr(self, method)(*prm, **kw)
  File "base.py", line 372, in lnk_contact
    return self.sendOutput(Contact(*prm, **kw).render(self))
  File "base.py", line 469, in sendOutput
    parameters.update({
AttributeError: 'NoneType' object has no attribute 'update'