Page not found (404)

Request Method: GET
Request URL: https://univcoop.or.kr/tag/%25EA%25B3%25A0%25EB%25A0%25A4%25EB%258C%2580%25ED%2595%2599%25EA%25B5%2590/
Raised by: blog.views.TagPostListView

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.