I have an Odoo 10 installation running a PoS. Now for some reason, I am getting an error "Odoo Server Error" when opening the PoS module. I will paste the error below.
Can you check what this could be and resolve?
Traceback (most recent call last):
File "/odoo/odoo-server/odoo/[login to view URL]", line 638, in _handle_exception
return super(JsonRequest, self)._handle_exception(exception)
File "/odoo/odoo-server/odoo/[login to view URL]", line 675, in dispatch
result = self._call_function(**[login to view URL])
File "/odoo/odoo-server/odoo/[login to view URL]", line 331, in _call_function
return checked_call([login to view URL], *args, **kwargs)
File "/odoo/odoo-server/odoo/service/[login to view URL]", line 119, in wrapper
return f(dbname, *args, **kwargs)
File "/odoo/odoo-server/odoo/[login to view URL]", line 324, in checked_call
result = [login to view URL](*a, **kw)
File "/odoo/odoo-server/odoo/[login to view URL]", line 933, in __call__
return [login to view URL](*args, **kw)
File "/odoo/odoo-server/odoo/[login to view URL]", line 504, in response_wrap
response = f(*args, **kw)
File "/odoo/odoo-server/addons/web/controllers/[login to view URL]", line 820, in search_read
return self.do_search_read(model, fields, offset, limit, domain, sort)
File "/odoo/odoo-server/addons/web/controllers/[login to view URL]", line 842, in do_search_read
offset=offset or 0, limit=limit or False, order=sort or False)
File "/odoo/odoo-server/odoo/[login to view URL]", line 4676, in search_read
result = [login to view URL](fields)
File "/odoo/odoo-server/odoo/[login to view URL]", line 3012, in read
values[name] = field.convert_to_read(record[name], record, use_name_get)
File "/odoo/odoo-server/odoo/[login to view URL]", line 5191, in __getitem__
return self._fields[key].__get__(self, type(self))
File "/odoo/odoo-server/odoo/[login to view URL]", line 869, in __get__
self.determine_value(record)
File "/odoo/odoo-server/odoo/[login to view URL]", line 980, in determine_value
self.compute_value(recs)
File "/odoo/odoo-server/odoo/[login to view URL]", line 935, in compute_value
self._compute_value(records)
File "/odoo/odoo-server/odoo/[login to view URL]", line 926, in _compute_value
getattr(records, [login to view URL])()
File "/odoo/odoo-server/addons/point_of_sale/models/[login to view URL]", line 162, in _compute_current_session_user
pos_config.pos_session_username = [login to view URL](lambda s: [login to view URL] == 'opened').[login to view URL]
File "/odoo/odoo-server/odoo/[login to view URL]", line 863, in __get__
record.ensure_one()
File "/odoo/odoo-server/odoo/[login to view URL]", line 4803, in ensure_one
raise ValueError("Expected singleton: %s" % self)
ValueError: Expected singleton: [login to view URL](1824, 1823)