Page not found (404)

Request Method: GET
Request URL: https://trcpremier.ru/discounts/discounts/4/
Raised by: discount.views.stock_detail.DiscountDetailView

Не найден ни один Акция, 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.