related_views breaks 404/403 pages

  File "/srv/aleksis/envs/production/lib/python3.7/site-packages/menu_generator/menu.py", line 112, in _is_selected
    if resolve(self.path).func in self._get_related_views(item_dict):
  File "/srv/aleksis/envs/production/lib/python3.7/site-packages/django/urls/base.py", line 25, in resolve
    return get_resolver(urlconf).resolve(path)
  File "/srv/aleksis/envs/production/lib/python3.7/site-packages/django/urls/resolvers.py", line 576, in resolve
    raise Resolver404({'tried': tried, 'path': new_path})
django.urls.exceptions.Resolver404: