Fixed: Changed the environ to ORIGINAL_RECIPIENT

src/mahjong_ranking/views.py

@@ -111,7 +111,7 @@ class HanchanForm(SuccessMessageMixin, EventDetailMixin,
 class EventHanchanForm(EventDetailMixin, PermissionRequiredMixin,
                        generic.TemplateView):
     """Display a Formset to add and Edit Hanchans of the specific Event."""
-    permission_required = 'mahjong_ranking.edit_hanchan'
+    permission_required = 'mahjong_ranking.add_hanchan'
     template_name = 'mahjong_ranking/eventhanchan_form.html'
     model=models.Hanchan