RealBigB

Same problem here with a custom page type derived from `fluent_pages.models.Page` > IntegrityError at /admin/fluent_pages/page/2/delete/ > update or delete on table "fluent_pages_urlnode" violates foreign key constraint > "master_id_refs_id_03dcaa72" on table...

Same problem with fluent_pages.pagetypes.fluentpages, cf https://github.com/edoburu/django-fluent-pages/issues/57