hi, When trying to install fleet rental management module v 12 , an error occured , but wasnt unable to solve it:

Erreur:

Odoo Server Error

Traceback (most recent call last):

  File "C:\Program Files (x86)\Odoo 12.0\server\odoo\tools\convert.py", line 757, in parse

    self._tags[rec.tag](rec, de, mode=mode)

  File "C:\Program Files (x86)\Odoo 12.0\server\odoo\tools\convert.py", line 612, in _tag_record

    raise Exception("Cannot update missing record %r" % xid)

Exception: Cannot update missing record 'fleet.vehicle_state_inshop'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):

  File "C:\Program Files (x86)\Odoo 12.0\server\odoo\http.py", line 654, in _handle_exception

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

  File "C:\Program Files (x86)\Odoo 12.0\server\odoo\http.py", line 312, in _handle_exception

    raise pycompat.reraise(type(exception), exception, sys.exc_info()[2])

  File "C:\Program Files (x86)\Odoo 12.0\server\odoo\tools\pycompat.py", line 87, in reraise

    raise value

  File "C:\Program Files (x86)\Odoo 12.0\server\odoo\http.py", line 696, in dispatch

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

  File "C:\Program Files (x86)\Odoo 12.0\server\odoo\http.py", line 344, in _call_function

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

  File "C:\Program Files (x86)\Odoo 12.0\server\odoo\service\model.py", line 97, in wrapper

    return f(dbname, *args, **kwargs)

  File "C:\Program Files (x86)\Odoo 12.0\server\odoo\http.py", line 337, in checked_call

    result = self.endpoint(*a, **kw)

  File "C:\Program Files (x86)\Odoo 12.0\server\odoo\http.py", line 939, in __call__

    return self.method(*args, **kw)

  File "C:\Program Files (x86)\Odoo 12.0\server\odoo\http.py", line 517, in response_wrap

    response = f(*args, **kw)

  File "c:\program files (x86)\odoo 12.0\server\odoo\addons\web\controllers\main.py", line 966, in call_button

    action = self._call_kw(model, method, args, {})

  File "c:\program files (x86)\odoo 12.0\server\odoo\addons\web\controllers\main.py", line 954, in _call_kw

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

  File "C:\Program Files (x86)\Odoo 12.0\server\odoo\api.py", line 749, in call_kw

    return _call_kw_multi(method, model, args, kwargs)

  File "C:\Program Files (x86)\Odoo 12.0\server\odoo\api.py", line 736, in _call_kw_multi

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

  File "<decorator-gen-61>", line 2, in button_immediate_install

  File "c:\program files (x86)\odoo 12.0\server\odoo\addons\base\models\ir_module.py", line 73, in check_and_log

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

  File "c:\program files (x86)\odoo 12.0\server\odoo\addons\base\models\ir_module.py", line 444, in button_immediate_install

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

  File "c:\program files (x86)\odoo 12.0\server\odoo\addons\base\models\ir_module.py", line 553, in _button_immediate_function

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

  File "C:\Program Files (x86)\Odoo 12.0\server\odoo\modules\registry.py", line 86, in new

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

  File "C:\Program Files (x86)\Odoo 12.0\server\odoo\modules\loading.py", line 421, in load_modules

    loaded_modules, update_module, models_to_check)

  File "C:\Program Files (x86)\Odoo 12.0\server\odoo\modules\loading.py", line 313, in load_marked_modules

    perform_checks=perform_checks, models_to_check=models_to_check

  File "C:\Program Files (x86)\Odoo 12.0\server\odoo\modules\loading.py", line 222, in load_module_graph

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

  File "C:\Program Files (x86)\Odoo 12.0\server\odoo\modules\loading.py", line 68, in load_data

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

  File "C:\Program Files (x86)\Odoo 12.0\server\odoo\tools\convert.py", line 801, in convert_file

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

  File "C:\Program Files (x86)\Odoo 12.0\server\odoo\tools\convert.py", line 864, in convert_xml_import

    obj.parse(doc.getroot(), mode=mode)

  File "C:\Program Files (x86)\Odoo 12.0\server\odoo\tools\convert.py", line 754, in parse

    self.parse(rec, mode)

  File "C:\Program Files (x86)\Odoo 12.0\server\odoo\tools\convert.py", line 763, in parse

    exc_info[2]

  File "C:\Program Files (x86)\Odoo 12.0\server\odoo\tools\pycompat.py", line 86, in reraise

    raise value.with_traceback(tb)

  File "C:\Program Files (x86)\Odoo 12.0\server\odoo\tools\convert.py", line 757, in parse

    self._tags[rec.tag](rec, de, mode=mode)

  File "C:\Program Files (x86)\Odoo 12.0\server\odoo\tools\convert.py", line 612, in _tag_record

    raise Exception("Cannot update missing record %r" % xid)

odoo.tools.convert.ParseError: "Cannot update missing record 'fleet.vehicle_state_inshop'" while parsing file:/c:/program files (x86)/odoo 12.0/server/odoo/addons/fleet_rental/data/fleet_rental_data.xml:10, near

<record id="fleet.vehicle_state_inshop" model="fleet.vehicle.state">

            <field name="name">In shop</field>

            <field name="sequence">1</field>

        </record>