I have no idea how to do that but in the video you can see the error crearly and it is still present in 17.04 doesn't matter which application you use to change the wallpapper, I tried in other computers and the problem persist.
I have no idea how to do that but in the video you can see the error crearly and it is still present in 17.04 doesn't matter which application you use to change the wallpapper, I tried in other computers and the problem persist.