I am getting this error when editing a record in admin: /appadmin/update/db/item/1
IntegrityError: insert or update on table "item" violates foreign key constraint "item_modified_by_fkey" DETAIL: Key (modified_by)=(0) is not present in table "auth_user". This table has an auth.signature. I guess what is happening is that it is looking for and not finding auth_user.id=0. Logging in as user=1 does not help. Postgres.
