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Asmaa

I tried to create a Many2one field  

product=fields.Many2one('product.product')

but the error occur:

TypeError: Cannot read properties of undefined (reading 'string')
    at http://localhost:8070/web/assets/731-b875ed4/web.assets_backend.min.js:6536:211
    at traverse (http://localhost:8070/web/assets/731-b875ed4/web.assets_backend.min.js:6531:200)
    at http://localhost:8070/web/assets/731-b875ed4/web.assets_backend.min.js:6531:242
    at Function.each (http://localhost:8070/web/assets/730-af65125/web.assets_common.min.js:171:149)
    at traverse (http://localhost:8070/web/assets/731-b875ed4/web.assets_backend.min.js:6531:211)
    at processArch (http://localhost:8070/web/assets/731-b875ed4/web.assets_backend.min.js:6535:180)
    at http://localhost:8070/web/assets/731-b875ed4/web.assets_backend.min.js:6536:494
    at traverse (http://localhost:8070/web/assets/731-b875ed4/web.assets_backend.min.js:6531:200)
    at http://localhost:8070/web/assets/731-b875ed4/web.assets_backend.min.js:6531:242
    at Function.each (http://localhost:8070/web/assets/730-af65125/web.assets_common.min.js:171:149)


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Savya Sachin

Can you please attach a screenshot of your code snippet

Asmaa
Author

the screens below
thanks in advance

Asmaa
Author

image0this the screenimage1

Asmaa
Author

I did that but there is another error

Traceback (most recent call last):
  File "D:\odoo16\server\odoo\http.py", line 1578, in _serve_db
    return service_model.retrying(self._serve_ir_http, self.env)
  File "D:\odoo16\server\odoo\service\model.py", line 134, in retrying
    result = func()
  File "D:\odoo16\server\odoo\http.py", line 1607, in _serve_ir_http
    response = self.dispatcher.dispatch(rule.endpoint, args)
  File "D:\odoo16\server\odoo\http.py", line 1804, in dispatch
    result = self.request.registry['ir.http']._dispatch(endpoint)
  File "D:\odoo16\server\odoo\addons\base\models\ir_http.py", line 140, in _dispatch
    result = endpoint(**request.params)
  File "D:\odoo16\server\odoo\http.py", line 698, in route_wrapper
    result = endpoint(self, *args, **params_ok)
  File "D:\odoo16\server\odoo\addons\web\controllers\dataset.py", line 42, in call_kw
    return self._call_kw(model, method, args, kwargs)
  File "D:\odoo16\server\odoo\addons\web\controllers\dataset.py", line 33, in _call_kw
    return call_kw(request.env[model], method, args, kwargs)
  File "D:\odoo16\server\odoo\api.py", line 461, in call_kw
    result = _call_kw_multi(method, model, args, kwargs)
  File "D:\odoo16\server\odoo\api.py", line 448, in _call_kw_multi
    result = method(recs, *args, **kwargs)
  File "D:\odoo16\server\odoo\models.py", line 6526, in onchange
    result['value'] = snapshot1.diff(snapshot0, force=first_call)
  File "D:\odoo16\server\odoo\models.py", line 6345, in diff
    result[name] = field.convert_to_onchange(self[name], record, {})
  File "D:\odoo16\server\odoo\fields.py", line 3012, in convert_to_onchange
    if not value.id:
AttributeError: '_unknown' object has no attribute 'id'


Avatar
Niyas Raphy (Walnut IT)
Best Answer

Hi,

Can you add product module to the dependency (depends) in the manifest and see if it make any difference.

Adding many2one field tutorial:  Many2One Field In Odoo

Thanks

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Asmaa
Author

Thanks very much
I made what you said and the problem solved

Avatar
Savya Sachin
Best Answer

Hi,

In the begining of your python file, please replace the line with following code,

from odoo import fields, models, api, _

Try now and check if it helps

Note: press Ctrl + Alt + L to auto align the code for better code readability


Regards

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Asmaa
Author

I did that but there is another error
Traceback (most recent call last):
File "D:\odoo16\server\odoo\http.py", line 1578, in _serve_db
return service_model.retrying(self._serve_ir_http, self.env)
File "D:\odoo16\server\odoo\service\model.py", line 134, in retrying
result = func()
File "D:\odoo16\server\odoo\http.py", line 1607, in _serve_ir_http
response = self.dispatcher.dispatch(rule.endpoint, args)
File "D:\odoo16\server\odoo\http.py", line 1804, in dispatch
result = self.request.registry['ir.http']._dispatch(endpoint)
File "D:\odoo16\server\odoo\addons\base\models\ir_http.py", line 140, in _dispatch
result = endpoint(**request.params)
File "D:\odoo16\server\odoo\http.py", line 698, in route_wrapper
result = endpoint(self, *args, **params_ok)
File "D:\odoo16\server\odoo\addons\web\controllers\dataset.py", line 42, in call_kw
return self._call_kw(model, method, args, kwargs)
File "D:\odoo16\server\odoo\addons\web\controllers\dataset.py", line 33, in _call_kw
return call_kw(request.env[model], method, args, kwargs)
File "D:\odoo16\server\odoo\api.py", line 461, in call_kw
result = _call_kw_multi(method, model, args, kwargs)
File "D:\odoo16\server\odoo\api.py", line 448, in _call_kw_multi
result = method(recs, *args, **kwargs)
File "D:\odoo16\server\odoo\models.py", line 6526, in onchange
result['value'] = snapshot1.diff(snapshot0, force=first_call)
File "D:\odoo16\server\odoo\models.py", line 6345, in diff
result[name] = field.convert_to_onchange(self[name], record, {})
File "D:\odoo16\server\odoo\fields.py", line 3012, in convert_to_onchange
if not value.id:
AttributeError: '_unknown' object has no attribute 'id'

Asmaa
Author

I used community edition

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