Page not found (404)

Request Method: GET
Request URL: https://opt-stroy.com/product/liuk-dozhdepriemnik-kruglyi-tiazh-tip-dm1-s250-1-60-850kh100-25-tn-s-rez-m105kg00-00024805/
Raised by: apps.catalog.views.product_detail

No Product matches the given query.

You're seeing this error because you have DEBUG = True in your Django settings file. Change that to False, and Django will display a standard 404 page.