My wallpaper in settings is not working

[AC Question]

I downloaded a photo from I ternet. I saved as wallpaper. I wanna remove it from wallpaper. UnfortunatelyWallpaper is not working in settings. How to remove downloaded wallpaper and restore original wallpaper in my mobile.

 

[B. Diddy]

Welcome to Android Central! Which phone? Do you get that error message when you long-press an empty part of your homescreen, select Wallpaper, and then select any other wallpaper?