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pankaj shakywar 
Traceback (most recent call last):
  File "/home/odoo/src/odoo/saas-17.2/odoo/models.py", line 5869, 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 1860, 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 1838, in _serve_ir_http
    return self._serve_ir_http(rule, args)
  File "/home/odoo/src/odoo/saas-17.2/odoo/http.py", line 1845, in _serve_ir_http
    response = self.dispatcher.dispatch(rule.endpoint, args)
  File "/home/odoo/src/odoo/saas-17.2/odoo/http.py", line 1983, in dispatch
    return 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 772, in route_wrapper
    result = endpoint(self, *args, **params_ok)
  File "/home/odoo/src/odoo/saas-17.2/addons/website_sale/controllers/main.py", line 439, in product
    return request.render("website_sale.product", self._prepare_product_values(product, category, search, **kwargs))
  File "/home/odoo/src/odoo/saas-17.2/addons/website_sale_stock/controllers/website_sale.py", line 11, in _prepare_product_values
    values = super()._prepare_product_values(product, category, search, **kwargs)
  File "/home/odoo/src/odoo/saas-17.2/addons/website_sale_product_configurator/controllers/website_sale.py", line 13, in _prepare_product_values
    values = super()._prepare_product_values(product, category, search, **kwargs)
  File "/home/odoo/src/odoo/saas-17.2/addons/website_sale/controllers/main.py", line 644, in _prepare_product_values
    view_track = request.website.viewref("website_sale.product").track
  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 5872, in ensure_one
    raise ValueError("Expected singleton: %s" % self)
ValueError: Expected singleton: ir.ui.view(1794, 2970)

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Ezekielles
Best Answer

I'm also facing internal server error on my store, How to resolve it. Urgent help required.

Store: stylo.pk

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Cybrosys Techno Solutions Pvt.Ltd
Best Answer

 Hi,

The ValueError: Expected singleton error in Odoo occurs when a method that expects a single record (singleton) is called on multiple records. Odoo methods often assume they will be called with a single record, so if the method is called with multiple records, this error is raised.

To solve this issue we can use a for loop to handle multiple records is a common approach to fix the ValueError: Expected singleton error in Odoo. This allows you to process each record individually, ensuring that methods designed for single records can handle multiple records.

Hope it helps.

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pankaj shakywar
Author Best Answer

hiii vishnu, what i have to do to fix this error.


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Vishnu V Nath

you can give limit=1,
or
view = request.website.viewref("website_sale.product")
if len(view) != 1:
raise ValueError("Expected a single view record, found %d." % len(view))
view_track = view.track

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Vishnu V Nath
Best Answer

view_id = request.env['ir.ui.view'].search([('key', '=', 'website_sale.product')], limit=1)

if not view_id:

    raise ValueError("Product view not found")

view_track = view_id.track

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