error in update ppa

[mbfakourii]

hi i can not install bing wallpapers
error in ppa

mf@mf-X555LP:~$ sudo apt-get update
Get:1 http://security.ubuntu.com/ubuntu hirsute-security InRelease [101 kB]
Hit:2 http://archive.canonical.com/ubuntu hirsute InRelease                    
Ign:3 http://ppa.launchpad.net/whizzzkid/bingwallpaper/ubuntu hirsute InRelease
Hit:4 http://ir.archive.ubuntu.com/ubuntu hirsute InRelease                    
Err:5 http://ppa.launchpad.net/whizzzkid/bingwallpaper/ubuntu hirsute Release  
  404  Not Found [IP: 91.189.95.85 80]
Hit:6 http://ir.archive.ubuntu.com/ubuntu hirsute-updates InRelease            
Hit:7 https://repo.protonvpn.com/debian stable InRelease                       
Hit:8 http://ir.archive.ubuntu.com/ubuntu hirsute-backports InRelease
Reading package lists... Done
E: The repository 'http://ppa.launchpad.net/whizzzkid/bingwallpaper/ubuntu hirsute Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.