Page not found (404)

Request Method: GET
Request URL: https://univcoop.or.kr/tag/%25EC%258B%25A4%25EB%25AC%25B4%25EC%259E%2590%25EC%2597%25B0%25EC%2588%2598/
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.