Page not found (404)

Request Method: GET
Request URL: https://opt-stroy.com/catalog/3aka3krepezh/
Raised by: apps.catalog.views.CategoryDetail

Не найден ни один Категория товара, соответствующий запросу

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.