Page not found (404)

Request Method: GET
Request URL: http://xn---35-5cdpg4dkat9f.xn--p1ai/kupit-zemelnyj-uchastok-v-sokole/2017-08-31-16-29-35-532644/
Raised by: catalog.views.get_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.