Hey,

I wan't to aktivate an App but get this Error:

Traceback (most recent call last):
  File "C:\Program Files\Odoo 16.0.20230627\server\odoo\http.py", line 1584, in _serve_db
    return service_model.retrying(self._serve_ir_http, self.env)
  File "C:\Program Files\Odoo 16.0.20230627\server\odoo\service\model.py", line 133, in retrying
    result = func()
  File "C:\Program Files\Odoo 16.0.20230627\server\odoo\http.py", line 1611, in _serve_ir_http
    response = self.dispatcher.dispatch(rule.endpoint, args)
  File "C:\Program Files\Odoo 16.0.20230627\server\odoo\http.py", line 1815, in dispatch
    result = self.request.registry['ir.http']._dispatch(endpoint)
  File "C:\Program Files\Odoo 16.0.20230627\server\odoo\addons\base\models\ir_http.py", line 154, in _dispatch
    result = endpoint(**request.params)
  File "C:\Program Files\Odoo 16.0.20230627\server\odoo\http.py", line 697, in route_wrapper
    result = endpoint(self, *args, **params_ok)
  File "C:\Program Files\Odoo 16.0.20230627\server\odoo\addons\web\controllers\dataset.py", line 46, in call_button
    action = self._call_kw(model, method, args, kwargs)
  File "C:\Program Files\Odoo 16.0.20230627\server\odoo\addons\web\controllers\dataset.py", line 33, in _call_kw
    return call_kw(request.env[model], method, args, kwargs)
  File "C:\Program Files\Odoo 16.0.20230627\server\odoo\api.py", line 461, in call_kw
    result = _call_kw_multi(method, model, args, kwargs)
  File "C:\Program Files\Odoo 16.0.20230627\server\odoo\api.py", line 448, in _call_kw_multi
    result = method(recs, *args, **kwargs)
  File "", line 2, in button_immediate_install
  File "C:\Program Files\Odoo 16.0.20230627\server\odoo\addons\base\models\ir_module.py", line 76, in check_and_log
    return method(self, *args, **kwargs)
  File "C:\Program Files\Odoo 16.0.20230627\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:\Program Files\Odoo 16.0.20230627\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:\Program Files\Odoo 16.0.20230627\server\odoo\tools\func.py", line 87, in locked
    return func(inst, *args, **kwargs)
  File "C:\Program Files\Odoo 16.0.20230627\server\odoo\modules\registry.py", line 90, in new
    odoo.modules.load_modules(registry, force_demo, status, update_module)
  File "C:\Program Files\Odoo 16.0.20230627\server\odoo\modules\loading.py", line 488, in load_modules
    processed_modules += load_marked_modules(cr, graph,
  File "C:\Program Files\Odoo 16.0.20230627\server\odoo\modules\loading.py", line 372, in load_marked_modules
    loaded, processed = load_module_graph(
  File "C:\Program Files\Odoo 16.0.20230627\server\odoo\modules\loading.py", line 231, in load_module_graph
    load_data(cr, idref, mode, kind='data', package=package)
  File "C:\Program Files\Odoo 16.0.20230627\server\odoo\modules\loading.py", line 71, in load_data
    tools.convert_file(cr, package.name, filename, idref, mode, noupdate, kind)
  File "C:\Program Files\Odoo 16.0.20230627\server\odoo\tools\convert.py", line 763, in convert_file
    convert_xml_import(cr, module, fp, idref, mode, noupdate)
  File "C:\Program Files\Odoo 16.0.20230627\server\odoo\tools\convert.py", line 829, in convert_xml_import
    obj.parse(doc.getroot())
  File "C:\Program Files\Odoo 16.0.20230627\server\odoo\tools\convert.py", line 749, in parse
    self._tag_root(de)
  File "C:\Program Files\Odoo 16.0.20230627\server\odoo\tools\convert.py", line 709, in _tag_root
    raise ParseError(msg) from None  # Restart with "--log-handler odoo.tools.convert:DEBUG" for complete traceback
odoo.tools.convert.ParseError: while parsing file:/c:/program%20files/odoo%2016.0.20230627/server/odoo/addons/resource_booking/views/calendar_event_views.xml:5
In der vererbten Ansicht können keine „Gruppen“ für den Datensatz definiert werden. Verwenden Sie die „Gruppen“-Attribute innerhalb der Ansichtsdefinition

View error context:
'-no context-'


The above server error caused the following client error:
RPC_ERROR: Odoo Server Error
    at makeErrorFromResponse (http://*IP*:8069/web/assets/289-67d339c/web.assets_backend.min.js:985:163)
    at XMLHttpRequest. (http://*IP*:8069/web/assets/289-67d339c/web.assets_backend.min.js:993:13)