Page not found (404)

Request Method: GET
Request URL: http://www.chicagohumanities.org/events/alison-roman-nothing-fancy/?fbclid=IwAR1o8THiqMxOlHn2Q6zzN-Mjp_LQJxG3yU0Y8AON2eEadMmI-ejD3UEr8uc
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.