I am getting the following error while installing some modules.

Error:

Odoo Server Error

Traceback (most recent call last):

  File "/odoo/odoo-server/odoo/tools/convert.py", line 677, in _tag_root

    f(rec)

  File "/odoo/odoo-server/odoo/tools/convert.py", line 580, in _tag_record

    record = model._load_records([data], self.mode == 'update')

  File "/odoo/odoo-server/odoo/models.py", line 4198, in _load_records

    data['record']._load_records_write(data['values'])

  File "/odoo/odoo-server/odoo/models.py", line 4135, in _load_records_write

    self.write(values)

  File "/odoo/odoo-server/addons/website_slides/models/res_users.py", line 19, in write

    res = super(Users, self).write(vals)

  File "/odoo/odoo-server/addons/hr/models/res_users.py", line 169, in write

    result = super(User, self).write(vals)

  File "/odoo/odoo-server/addons/gamification/models/res_users.py", line 63, in write

    result = super(Users, self).write(vals)

  File "/odoo/odoo-server/addons/mail/models/res_users.py", line 88, in write

    write_res = super(Users, self).write(vals)

  File "/odoo/odoo-server/odoo/addons/base/models/res_users.py", line 1334, in write

    res = super(UsersView, self).write(values)

  File "/odoo/odoo-server/odoo/addons/base/models/res_users.py", line 1093, in write

    super(UsersImplied, user).write(vals)

  File "/odoo/odoo-server/odoo/addons/base/models/res_users.py", line 572, in write

    res = super(Users, self).write(values)

  File "/odoo/odoo-server/odoo/models.py", line 3688, in write

    real_recs._validate_fields(vals, inverse_fields)

  File "/odoo/odoo-server/odoo/models.py", line 1256, in _validate_fields

    check(self)

  File "/odoo/odoo-server/odoo/addons/base/models/res_users.py", line 480, in _check_one_user_type

    raise ValidationError(_('The user cannot have more than one user types.'))

odoo.exceptions.ValidationError: The user cannot have more than one user types.

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

Traceback (most recent call last):

  File "/odoo/odoo-server/odoo/addons/base/models/ir_http.py", line 237, in _dispatch

    result = request.dispatch()

  File "/odoo/odoo-server/odoo/http.py", line 683, in dispatch

    result = self._call_function(**self.params)

  File "/odoo/odoo-server/odoo/http.py", line 359, in _call_function

    return checked_call(self.db, *args, **kwargs)

  File "/odoo/odoo-server/odoo/service/model.py", line 94, in wrapper

    return f(dbname, *args, **kwargs)

  File "/odoo/odoo-server/odoo/http.py", line 347, in checked_call

    result = self.endpoint(*a, **kw)

  File "/odoo/odoo-server/odoo/http.py", line 912, in __call__

    return self.method(*args, **kw)

  File "/odoo/odoo-server/odoo/http.py", line 531, in response_wrap

    response = f(*args, **kw)

  File "/odoo/odoo-server/addons/web/controllers/main.py", line 1381, in call_button

    action = self._call_kw(model, method, args, kwargs)

  File "/odoo/odoo-server/addons/web/controllers/main.py", line 1369, in _call_kw

    return call_kw(request.env[model], method, args, kwargs)

  File "/odoo/odoo-server/odoo/api.py", line 396, in call_kw

    result = _call_kw_multi(method, model, args, kwargs)

  File "/odoo/odoo-server/odoo/api.py", line 383, in _call_kw_multi

    result = method(recs, *args, **kwargs)

  File "<decorator-gen-72>", line 2, in button_immediate_install

  File "/odoo/odoo-server/odoo/addons/base/models/ir_module.py", line 73, in check_and_log

    return method(self, *args, **kwargs)

  File "/odoo/odoo-server/odoo/addons/base/models/ir_module.py", line 474, in button_immediate_install

    return self._button_immediate_function(type(self).button_install)

  File "/odoo/odoo-server/odoo/addons/base/models/ir_module.py", line 592, in _button_immediate_function

    modules.registry.Registry.new(self._cr.dbname, update_module=True)

  File "/odoo/odoo-server/odoo/modules/registry.py", line 89, in new

    odoo.modules.load_modules(registry._db, force_demo, status, update_module)

  File "/odoo/odoo-server/odoo/modules/loading.py", line 453, in load_modules

    processed_modules += load_marked_modules(cr, graph,

  File "/odoo/odoo-server/odoo/modules/loading.py", line 346, in load_marked_modules

    loaded, processed = load_module_graph(

  File "/odoo/odoo-server/odoo/modules/loading.py", line 221, in load_module_graph

    load_data(cr, idref, mode, kind='data', package=package)

  File "/odoo/odoo-server/odoo/modules/loading.py", line 69, in load_data

    tools.convert_file(cr, package.name, filename, idref, mode, noupdate, kind)

  File "/odoo/odoo-server/odoo/tools/convert.py", line 733, in convert_file

    convert_xml_import(cr, module, fp, idref, mode, noupdate)

  File "/odoo/odoo-server/odoo/tools/convert.py", line 799, in convert_xml_import

    obj.parse(doc.getroot())

  File "/odoo/odoo-server/odoo/tools/convert.py", line 719, in parse

    self._tag_root(de)

  File "/odoo/odoo-server/odoo/tools/convert.py", line 677, in _tag_root

    f(rec)

  File "/odoo/odoo-server/odoo/tools/convert.py", line 681, in _tag_root

    raise ParseError('while parsing %s:%s, near\n%s' % (

Exception

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

Traceback (most recent call last):

  File "/odoo/odoo-server/odoo/http.py", line 639, in _handle_exception

    return super(JsonRequest, self)._handle_exception(exception)

  File "/odoo/odoo-server/odoo/http.py", line 315, in _handle_exception

    raise exception.with_traceback(None) from new_cause

odoo.tools.convert.ParseError: while parsing /odoo/odoo-server/addons/sales_team/security/sales_team_security.xml:49, near

<record id="base.default_user" model="res.users">

            <field name="groups_id" eval="[(4,ref('sales_team.group_sale_manager'))]"/>

        </record>

****************

Please help.