S6 Edge loosing wallpaper after marshmallow update

[rahadfield]

Since updating phone the other day to marshmallow the wallpaper picturekeeps changing back to default by random. It just changes or if you reboot it it goes back to default. Anyone able to assist please

 

[B. Diddy]

Welcome to Android Central! Try wiping the cache partition: https://support.t-mobile.com/docs/DOC-21095