Page not found (404)

Request Method: GET
Request URL: http://yogaflow.ru/learning_hq/seminars/lenobl/ritrit-osnovy-samyamy/2019/

CMS: Page not found for "learning_hq/seminars/lenobl/ritrit-osnovy-samyamy/2019"

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.