[6.0] mailgate - missing method

I tried both with id of crm.lead and crm.helpdesk in the
 -o
option

2011-02-14 19:43:15,337][chricar6] ERROR:web-services:Uncaught exception
Traceback (most recent call last):
  File "/home2/gass/OpenERP/trunk/openobject-server/6.0/bin/osv/osv.py", line 122, in wrapper
    return f(self, dbname, *args, **kwargs)
  File "/home2/gass/OpenERP/trunk/openobject-server/6.0/bin/osv/osv.py", line 176, in execute
    res = self.execute_cr(cr, uid, obj, method, *args, **kw)
  File "/home2/gass/OpenERP/trunk/openobject-server/6.0/bin/osv/osv.py", line 167, in execute_cr
    return getattr(object, method)(cr, uid, *args, **kw)
  File "/home2/gass/OpenERP/trunk/openobject-server/6.0/bin/addons/mail_gateway/mail_gateway.py", line 562, in process_email
    new_res_id, attachment_ids = create_record(msg)
  File "/home2/gass/OpenERP/trunk/openobject-server/6.0/bin/addons/mail_gateway/mail_gateway.py", line 425, in create_record
    res_id = model_pool.create(cr, uid, data, context=context)
AttributeError: 'NoneType' object has no attribute 'create'
[2011-02-14 19:43:15,338][chricar6] DEBUG:http:MultiHttpHandler init for ('127.0.0.1', 57591)