Trying to access an app and getting this error message? If it does not say so, do check your license

I was trying to test some security settings the other day and ran into the message below while trying to open a model-driven app using the usual …/main.aspx?appid=… url: This is not an error message I would have seen before, so I had to retry different security roles etc, all to no avail. It was… Read More »