Page not found (404)

Request Method: GET
Request URL: https://www.kontinent.ru/product/uteplitel-volma-steklovolokno-m-11-lait-50-1200-9000mm-216m2-2sht/
Raised by: catalog.views.product

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.