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Question #185725 on OpenERP Server changed:
https://answers.launchpad.net/openobject-server/+question/185725

    Status: Open => Answered

Serpent Consulting Services proposed the following answer:
Fernando,

Follow these things, the problem will be solved:

1. Never name any field in uppercase. All field names should be lower case.
2. State model should be defined earlier than city, because you refer it as a foreign key-many2one.
3. For city model, add _rec_name='cityname' as you don't have any field 'name' on it.
--

class city(osv.osv):
_name=''
_rec_name=Field

The error comes because the system does not find a field called 'name'
in  city model.

The Following code will work for you.

"""
class state(osv.osv):
    _name = 'state'
    _columns = {
        'name': fields.char('State name',size=32),
    }
state()

class city(osv.osv):
    _name = 'city'
    _rec_name = "cityname"
    _columns = {
        'cityname': fields.char('City', size=32),
        'state': fields.many2one('state','name'),
    }
city()

"""

Hope it helps.

Thanks,
Serpent Consulting Services.
http://www.serpentcs.com

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