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I still have an issue with a POS session that I do not know how to fix. When I open the POS session it shows that 90 transactions are waiting to be committed to the back end and I get this error on screen:

Traceback (most recent call last):
  File "/odoo/odoo-server/odoo/", line 638, in _handle_exception
    return super(JsonRequest, self)._handle_exception(exception)
  File "/odoo/odoo-server/odoo/", line 675, in dispatch
    result = self._call_function(**self.params)
  File "/odoo/odoo-server/odoo/", line 331, in _call_function
    return checked_call(self.db, *args, **kwargs)
  File "/odoo/odoo-server/odoo/service/", line 119, in wrapper
    return f(dbname, *args, **kwargs)
  File "/odoo/odoo-server/odoo/", line 324, in checked_call
    result = self.endpoint(*a, **kw)
  File "/odoo/odoo-server/odoo/", line 933, in __call__
    return self.method(*args, **kw)
  File "/odoo/odoo-server/odoo/", line 504, in response_wrap
    response = f(*args, **kw)
  File "/odoo/odoo-server/addons/web/controllers/", line 878, in call_kw
    return self._call_kw(model, method, args, kwargs)
  File "/odoo/odoo-server/addons/web/controllers/", line 870, in _call_kw
    return call_kw(request.env[model], method, args, kwargs)
  File "/odoo/odoo-server/odoo/", line 679, in call_kw
    return call_kw_model(method, model, args, kwargs)
  File "/odoo/odoo-server/odoo/", line 664, in call_kw_model
    result = method(recs, *args, **kwargs)
  File "/odoo/odoo-server/addons/point_of_sale/models/", line 512, in create_from_ui
    pos_order = self._process_order(order)
  File "/odoo/odoo-server/addons/point_of_sale/models/", line 102, in _process_order
    pos_order['pos_session_id'] = self._get_valid_session(pos_order).id
  File "/odoo/odoo-server/addons/point_of_sale/models/", line 73, in _get_valid_session
    'rescue': True,    # avoid conflict with live sessions
  File "/odoo/odoo-server/addons/point_of_sale/models/", line 194, in create
    res = super(PosSession, self.with_context(ctx).sudo(uid)).create(values)
  File "/odoo/odoo-server/odoo/", line 3821, in create
    record = self.browse(self._create(old_vals))
  File "/odoo/odoo-server/odoo/", line 3984, in _create
  File "/odoo/odoo-server/odoo/", line 1070, in _validate_fields
  File "/odoo/odoo-server/addons/point_of_sale/models/", line 135, in _check_pos_config
    raise ValidationError(_("You cannot create two active sessions related to the same point of sale!"))
ValidationError: (u'You cannot create two active sessions related to the same point of sale!', None)

When I  "OK" the error, I start seeing this in the logs:

 5001 WARNING testepos odoo.addons.point_of_sale.models.pos_order:
session POS/2017/03/12/163 (ID: 163) was closed but received order Order 00163-001-0024 (total: 0.7) belonging to


WARNING testepos odoo.addons.point_of_sale.models.pos_order: attempting to create recovery session for saving order Order 00163-001-0024


5001 WARNING testepos odoo.models: pos.session.create() includes unknown fields: rescue

The user OK'd the error also and continued selling, so none if the transactions for the new session got committed. It seems that the new transactions are not been committed due to that one order from the previous session.

Is there anyway I can reopen session ID 163 as I'm sure that is what's stopping the other transactions from being recovered.

Also the "unknown fields: rescue" is throwing me. Any help would be appreciated.


Mejor respuesta


I have exactly the same issues. anyone here would help please?

Jim Tabling, you got solution or any fix yet?

---------------- I found solution for this-----------------------------------


Now i am be able to get back to green light connection. to do it you may try follow this steps

1. Login as Administrator

2. Activate Developer Mode

3. Go to POS --> Start Session

4. you will notice on the right side there are some message in black box

5. you click on Delete Unpaid Order --> message popup and ask you if you want to remove offline data --> click yes

6. you click on Delete Paid Order --> message popup and ask you if you want to remove offline data --> click yes

7. you will see the green light  back.

8. log out from system and login again.

you are good to go now. remember that all your offline transaction will be lost with this method.

let me know if this method work.