I haven't been able to add variety to any of my stations for a few weeks, even my personalized stations that I had been previously able to add to even before I got a paid subscription. I click on the "+" and it just goes to a black screen. I can still get back to my stations and there's no interference with the music playing, I just can't add variety anymore. I have a paid subscription, too, so it is extra annoying not to have a basic feature. ... View more