As per discussion on https://github.com/wagtail/wagtail/issues/4258
@@ -49,6 +49,7 @@ INSTALLED_APPS = [
'wagtail.wagtailsearch',
'wagtail.wagtailadmin',
'wagtail.contrib.modeladmin',
+ 'wagtail.contrib.wagtailroutablepage',
'wagtail.wagtailcore',
'rest_framework',