topic Cannot edit the App after changing theme with WAB 2.0 in ArcGIS Web AppBuilder Questions https://community.esri.com/t5/arcgis-web-appbuilder-questions/cannot-edit-the-app-after-changing-theme-with-wab/m-p/511082#M13384 <HTML><HEAD></HEAD><BODY><P>In the offline version of the new WAB, I created a new app and selected a theme for it. When I try to open the new app again for edit it doesn't load and I get the following error: "Unable to get property 'config' of undefined or null reference, which points to stemapp/jimu.js/WidgetManager.js . Does anyone know what might be the problem? </P><P>Thanks in advance!</P></BODY></HTML> Thu, 12 May 2016 15:56:22 GMT GiuseppeNobile 2016-05-12T15:56:22Z Cannot edit the App after changing theme with WAB 2.0 https://community.esri.com/t5/arcgis-web-appbuilder-questions/cannot-edit-the-app-after-changing-theme-with-wab/m-p/511082#M13384 <HTML><HEAD></HEAD><BODY><P>In the offline version of the new WAB, I created a new app and selected a theme for it. When I try to open the new app again for edit it doesn't load and I get the following error: "Unable to get property 'config' of undefined or null reference, which points to stemapp/jimu.js/WidgetManager.js . Does anyone know what might be the problem? </P><P>Thanks in advance!</P></BODY></HTML> Thu, 12 May 2016 15:56:22 GMT https://community.esri.com/t5/arcgis-web-appbuilder-questions/cannot-edit-the-app-after-changing-theme-with-wab/m-p/511082#M13384 GiuseppeNobile 2016-05-12T15:56:22Z