This error occurred when I am trying to use the website editor customize tools.

RPC_ERROR

Odoo Server Error

Traceback (most recent call last):

  File "/home/odoo/src/odoo/saas-17.2/odoo/models.py", line 5848, in ensure_one

    _id, = self._ids

ValueError: too many values to unpack (expected 1)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):

  File "/home/odoo/src/odoo/saas-17.2/odoo/http.py", line 1847, in _transactioning

    return service_model.retrying(func, env=self.env)

  File "/home/odoo/src/odoo/saas-17.2/odoo/service/model.py", line 134, in retrying

    result = func()

  File "/home/odoo/src/odoo/saas-17.2/odoo/http.py", line 1825, in _serve_ir_http

    return self._serve_ir_http(rule, args)

  File "/home/odoo/src/odoo/saas-17.2/odoo/http.py", line 1832, in _serve_ir_http

    response = self.dispatcher.dispatch(rule.endpoint, args)

  File "/home/odoo/src/odoo/saas-17.2/odoo/http.py", line 2057, in dispatch

    result = self.request.registry['ir.http']._dispatch(endpoint)

  File "/home/odoo/src/odoo/saas-17.2/odoo/addons/base/models/ir_http.py", line 220, in _dispatch

    result = endpoint(**request.params)

  File "/home/odoo/src/odoo/saas-17.2/odoo/http.py", line 739, in route_wrapper

    result = endpoint(self, *args, **params_ok)

  File "/home/odoo/src/odoo/saas-17.2/addons/website/controllers/main.py", line 711, in get_switchable_related_views

    views = request.env["ir.ui.view"].get_related_views(key, bundles=False).filtered(lambda v: v.customize_show)

  File "/home/odoo/src/odoo/saas-17.2/addons/website/models/ir_ui_view.py", line 277, in get_related_views

    return super(View, self).get_related_views(key, bundles=bundles)

  File "/home/odoo/src/odoo/saas-17.2/addons/web_editor/models/ir_ui_view.py", line 390, in get_related_views

    views = View._views_get(key, bundles=bundles)

  File "/home/odoo/src/odoo/saas-17.2/addons/web_editor/models/ir_ui_view.py", line 351, in _views_get

    node = etree.fromstring(view.arch)

  File "/home/odoo/src/odoo/saas-17.2/odoo/fields.py", line 1202, in __get__

    record.ensure_one()

  File "/home/odoo/src/odoo/saas-17.2/odoo/models.py", line 5851, in ensure_one

    raise ValueError("Expected singleton: %s" % self)

ValueError: Expected singleton: ir.ui.view(1244, 1247)

The above server error caused the following client error:

RPC_ERROR: Odoo Server Error

    at makeErrorFromResponse (https://jadylee.odoo.com/web/assets/9d00978/web.assets_web.min.js:2948:163)

    at XMLHttpRequest. (https://jadylee.odoo.com/web/assets/9d00978/web.assets_web.min.js:2953:13)