Hello,

I have a community 16 edition using accounting and POS.

I tried to install the Sales module but it failed with this error

Traceback (most recent call last):
  File "c:\odoo\server\odoo\tools\convert.py", line 698, in _tag_root
    f(rec)
  File "c:\odoo\server\odoo\tools\convert.py", line 599, in _tag_record
    record = model._load_records([data], self.mode == 'update')
  File "c:\odoo\server\odoo\models.py", line 4341, in _load_records
    data['record']._load_records_write(data['values'])
  File "c:\odoo\server\odoo\models.py", line 4272, in _load_records_write
    self.write(values)
  File "c:\odoo\server\odoo\addons\hr\models\res_users.py", line 241, in write
    result = super(User, self).write(vals)
  File "c:\odoo\server\odoo\addons\gamification\models\res_users.py", line 63, in write
    result = super(Users, self).write(vals)
  File "c:\odoo\server\odoo\addons\mail\models\res_users.py", line 99, in write
    write_res = super(Users, self).write(vals)
  File "c:\odoo\server\odoo\addons\resource\models\res_users.py", line 17, in write
    rslt = super().write(vals)
  File "c:\odoo\addons\hide_menu_user\models\res_user.py", line 41, in write
    res = super(HideMenuUser, self).write(vals)
  File "c:\odoo\server\odoo\addons\base\models\res_users.py", line 1579, in write
    res = super(UsersView, self).write(values)
  File "c:\odoo\server\odoo\addons\base\models\res_users.py", line 1282, in write
    res = super(UsersImplied, self).write(values)
  File "c:\odoo\server\odoo\addons\base\models\res_users.py", line 616, in write
    internal_users.write({'groups_id': [Command.link(gid) for gid in added_groups.ids]})
  File "c:\odoo\server\odoo\addons\hr\models\res_users.py", line 241, in write
    result = super(User, self).write(vals)
  File "c:\odoo\server\odoo\addons\gamification\models\res_users.py", line 63, in write
    result = super(Users, self).write(vals)
  File "c:\odoo\server\odoo\addons\mail\models\res_users.py", line 99, in write
    write_res = super(Users, self).write(vals)
  File "c:\odoo\server\odoo\addons\resource\models\res_users.py", line 17, in write
    rslt = super().write(vals)
  File "c:\odoo\addons\hide_menu_user\models\res_user.py", line 44, in write
    'restrict_user_ids': [(4, self.id)]
  File "c:\odoo\server\odoo\fields.py", line 5035, in __get__
    raise ValueError("Expected singleton: %s" % record)
ValueError: Expected singleton: res.users(2, 11, 12, 8, 9)

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "c:\odoo\server\odoo\http.py", line 1584, in _serve_db
    return service_model.retrying(self._serve_ir_http, self.env)
  File "c:\odoo\server\odoo\service\model.py", line 134, in retrying
    result = func()
  File "c:\odoo\server\odoo\http.py", line 1613, in _serve_ir_http
    response = self.dispatcher.dispatch(rule.endpoint, args)
  File "c:\odoo\server\odoo\http.py", line 1810, in dispatch
    result = self.request.registry['ir.http']._dispatch(endpoint)
  File "c:\odoo\server\odoo\addons\base\models\ir_http.py", line 149, in _dispatch
    result = endpoint(**request.params)
  File "c:\odoo\server\odoo\http.py", line 699, in route_wrapper
    result = endpoint(self, *args, **params_ok)
  File "c:\odoo\server\odoo\addons\web\controllers\dataset.py", line 46, in call_button
    action = self._call_kw(model, method, args, kwargs)
  File "c:\odoo\server\odoo\addons\web\controllers\dataset.py", line 33, in _call_kw
    return call_kw(request.env[model], method, args, kwargs)
  File "c:\odoo\server\odoo\api.py", line 461, in call_kw
    result = _call_kw_multi(method, model, args, kwargs)
  File "c:\odoo\server\odoo\api.py", line 448, in _call_kw_multi
    result = method(recs, *args, **kwargs)
  File "", line 2, in button_immediate_install
  File "c:\odoo\server\odoo\addons\base\models\ir_module.py", line 76, in check_and_log
    return method(self, *args, **kwargs)
  File "c:\odoo\server\odoo\addons\base\models\ir_module.py", line 491, in button_immediate_install
    return self._button_immediate_function(type(self).button_install)
  File "c:\odoo\server\odoo\addons\base\models\ir_module.py", line 615, in _button_immediate_function
    registry = modules.registry.Registry.new(self._cr.dbname, update_module=True)
  File "", line 2, in new
  File "c:\odoo\server\odoo\tools\func.py", line 87, in locked
    return func(inst, *args, **kwargs)
  File "c:\odoo\server\odoo\modules\registry.py", line 90, in new
    odoo.modules.load_modules(registry, force_demo, status, update_module)
  File "c:\odoo\server\odoo\modules\loading.py", line 489, in load_modules
    loaded_modules, update_module, models_to_check)
  File "c:\odoo\server\odoo\modules\loading.py", line 373, in load_marked_modules
    perform_checks=perform_checks, models_to_check=models_to_check
  File "c:\odoo\server\odoo\modules\loading.py", line 230, in load_module_graph
    load_data(cr, idref, mode, kind='data', package=package)
  File "c:\odoo\server\odoo\modules\loading.py", line 71, in load_data
    tools.convert_file(cr, package.name, filename, idref, mode, noupdate, kind)
  File "c:\odoo\server\odoo\tools\convert.py", line 763, in convert_file
    convert_xml_import(cr, module, fp, idref, mode, noupdate)
  File "c:\odoo\server\odoo\tools\convert.py", line 829, in convert_xml_import
    obj.parse(doc.getroot())
  File "c:\odoo\server\odoo\tools\convert.py", line 749, in parse
    self._tag_root(de)
  File "c:\odoo\server\odoo\tools\convert.py", line 698, in _tag_root
    f(rec)
  File "c:\odoo\server\odoo\tools\convert.py", line 715, in _tag_root
    )) from e
odoo.tools.convert.ParseError: while parsing file:/c:/odoo/server/odoo/addons/sales_team/security/sales_team_security.xml:49, somewhere inside

            
        

The above server error caused the following client error:
RPC_ERROR: Odoo Server Error
    RPCError@http://10.3.3.240:8069/web/assets/496-39f10b9/web.assets_backend.min.js:963:274
    makeErrorFromResponse@http://10.3.3.240:8069/web/assets/496-39f10b9/web.assets_backend.min.js:967:163
    jsonrpc/promise
any help
Thanks