I'm building an app with the Web AppBuilder of ArcGIS Online. I heard it would be possible to download the app so that it could be used offline or deployed on another server. In my case, i would just need to be able to use it offline. I managed to download the app which gave me a zip folder but once it's done i have no idea what to do with all these files to be able to visualize the app. I have very basic notions of HTML/CSS only. I opened the index.html file but i receive this error message: "Unable to load config.json?wab_dv=2.15 status: 0" Does anyone have any leads to share?