Page not found (404)

Request Method: GET
Request URL: https://uod.ac/int-relations/erasmus--plus/opatel-project/activities/a-second-day-seminar-about-the-online-services-and-and-e-learning--/
Raised by: wagtail.core.views.serve

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.