/* great. we already have an AutomationRegionView for this Region. use it again. */
AutomationRegionView* arv = dynamic_cast<AutomationRegionView*>(*i);;
- arv->line()->set_list (list);
+ if (arv->line())
+ arv->line()->set_list (list);
(*i)->set_valid (true);
(*i)->enable_display(wfd);
display_region(arv);