Nima

I ended up adding a mixin that overwrites the `filter_queryset` method of the `FilterSet` class, based on the solution suggested [here](https://stackoverflow.com/questions/50001616/or-definition-of-filters-when-using-relations-in-django-filter) and [here](https://github.com/carltongibson/django-filter/issues/883#issuecomment-630038321). ```python from django.db.models import QuerySet from django_filters.constants...

Thank you @cyp3rius. I upgraded to `2.2.2` but still get the same behavior. Now I also get a warning message when navigating to the "UI Navigation" tab: "Warning: Relations provided...

@ltsNotMike I have indeed found one item where no content-type was selected. Seems to have fixed the issue. Thank you.

Thanks for the suggestion @fgroenendijk. Would be cool if something like that could be integrated into the plugin and handled behind the scenes automatically. I had a look at the...