This happens to me under version 6.0.0. It happens when I navigate back from a page that was using CarouselViewControl. It's easy to recreate. My page uses CarouselViewControl to conditionally display instructions to a user depending on whether they've viewed the instructions before. Therefore, if they've seen the instructions before, IsVisible = false on the Grid the CarouselViewControl is contained in and the control never gets rendered to the screen. When I navigate back, it throws this error. If I set IsVisible = true on the Grid container control at some point while the page is loaded and navigate back, the error doesn't happen.
This happens to me under version 6.0.0. It happens when I navigate back from a page that was using CarouselViewControl. It's easy to recreate. My page uses CarouselViewControl to conditionally display instructions to a user depending on whether they've viewed the instructions before. Therefore, if they've seen the instructions before, IsVisible = false on the Grid the CarouselViewControl is contained in and the control never gets rendered to the screen. When I navigate back, it throws this error. If I set IsVisible = true on the Grid container control at some point while the page is loaded and navigate back, the error doesn't happen.