forgot this

frontend/views.py

@@ -593,7 +593,7 @@ def new_edition(request, work_id, edition_id, by=None):
                 else:
                     work.description=form.cleaned_data['description']
                     work.title=form.cleaned_data['title']
-                    work.earliest_publication = None  # will reset on next access
+                    work.publication_range = None  # will reset on next access
                     work.language = form.cleaned_data['language']
                     work.save()