[Fenix 3] Widget works in Simulator, not on device

Hi All,

I've got a simple tidal predication application, it looks like this in the simulator:



However, when I attempt to view it on my Fenix 3, I just see a cross over the screen:



This is pretty frustrating, I have literally no idea how to debug this.

Built with 1.1.1
prg file copied to APPS folder

Any advice appreciated!