Install Updates Application Error Log

[Sunay Yaz Mandac]

When i was trying to update my Linux Lite, i had this error log. When i looked up at the Forum for a solution and i found that i needed to change the Lite Sources thing. I done that but i guess it didn't worked. Can anyone please solve my problem?

Code:

===========================
Install Updates Error log
===========================
Install Updates could not fetch the package cache information lists.
Go to https://www.linuxliteos.com/forums/ and paste the log below into a new or existing thread for assistance.

============ Log ===========

Hit:1 http://ppa.launchpad.net/alexlarsson/flatpak/ubuntu bionic InRelease
Hit:2 http://repository.spotify.com stable InRelease
Ign:3 http://ppa.launchpad.net/octave/stable/ubuntu bionic InRelease
Hit:4 http://archive.canonical.com/ubuntu bionic InRelease
Hit:5 http://us.archive.ubuntu.com/ubuntu bionic InRelease
Hit:6 http://mirror.unlockforus.com/linuxlite diamond InRelease
Hit:7 http://ppa.launchpad.net/otto-kesselgulasch/gimp/ubuntu bionic InRelease
Get:8 http://us.archive.ubuntu.com/ubuntu bionic-security InRelease [88,7 kB]
Hit:9 http://ppa.launchpad.net/team-xbmc/ppa/ubuntu bionic InRelease
Hit:10 http://ppa.launchpad.net/teejee2008/ppa/ubuntu bionic InRelease
Err:11 http://ppa.launchpad.net/octave/stable/ubuntu bionic Release
  404  Not Found [IP: 91.189.95.83 80]
Hit:12 http://us.archive.ubuntu.com/ubuntu bionic-updates InRelease
Hit:13 http://us.archive.ubuntu.com/ubuntu bionic-backports InRelease
Reading package lists...
E: The repository 'http://ppa.launchpad.net/octave/stable/ubuntu bionic Release' does not have a Release file.

[Artim]

http://ppa.launchpad.net/octave/stable/ubuntu bionic Release is the offending PPA.  Remove it from the Sources list using Lite Sources and try updating again.

[Sunay Yaz Mandac]

Thanks it really worked.  ;D