Sometimes you may experience Tiles displaying "No data found". Tiles are completely dependant on the source of data from where it is extracting from. So if your app doesn't have the necessary data for the Tile to read from, then it will display this message.
To fix this, you will need to feed or populate your app with the correct type of data. If you are unsure how to do this, please visit our Apps and Tiles Guide where you can find out what is needed from your app to help power the Tiles