Hi, I have a problem with new widget from Esri Japan. This is widget for Clustering (arcgis-webappbuilder-widgets-themes/widgets/Clustering at master · EsriJapan/arcgis-webappbuilder-widgets-themes · GitHu… ). When I configure it in WAB (color, layer etc.), list box for select requied layer is empty. I don't know where is a problem. Thanks for advice.