Wallpaper not changing

[0xYach]

I tried changing the background wallpaper several times, it says the wallpaper has been changes but it didn't.

[HANTALE-59]

I tried changing the background wallpaper several times, it says the wallpaper has been changes but it didn't.

Mate give a minimum of information :|
Did you try to change it using cli, wallpaper action? Is there any log?