app/services/blacklight/search_service.rb in blacklight-7.15.2 vs app/services/blacklight/search_service.rb in blacklight-7.16.0

@@ -93,10 +93,10 @@
     delegate :repository, to: :blacklight_config
 
     ##
     # The key to use to retrieve the grouped field to display
     def grouped_key_for_results
-      blacklight_config.index.group
+      blacklight_config.view_config(action_name: :index).group
     end
 
     ##
     # Opensearch autocomplete parameters for plucking a field's value from the results
     def solr_opensearch_params(field)