What does this log mean???

[lsakb]

I'm a week in on Linux Lite and for some reason my updates aren't updating today.  Totally new to Linux but can someone help me out in layman's terms.  Thanks.

Hit:1 http://repo.linuxliteos.com/linuxlite emerald InRelease
Hit:2 http://dl.google.com/linux/chrome/deb stable InRelease
Hit:3 http://security.ubuntu.com/ubuntu focal-security InRelease
Ign:4 http://ppa.launchpad.net/wfg/0ad/ubuntu focal InRelease
Hit:5 http://archive.canonical.com/ubuntu focal InRelease
Err:6 http://ppa.launchpad.net/wfg/0ad/ubuntu focal Release
  404  Not Found [IP: 2001:67c:1560:8008::15 80]
Hit:7 http://us.archive.ubuntu.com/ubuntu focal InRelease
Hit:8 http://us.archive.ubuntu.com/ubuntu focal-updates InRelease
Hit:9 http://us.archive.ubuntu.com/ubuntu focal-backports InRelease
Reading package lists...
E: The repository 'http://ppa.launchpad.net/wfg/0ad/ubuntu focal Release' does not have a Release file.