Page not found (404)

Request Method:	GET
Request URL:	https://www.stroistal-invest.ru/media/upload/attachment/cache/upload/attachment/source/dver-na-sklad-109f-doorgallery.jpg

"/srv/www/fireprev/public_html/media/upload/attachment/cache/upload/attachment/source/dver-na-sklad-109f-doorgallery.jpg" не существует

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.