Updating Linux doesn't work - I live in the UK, IP address looks wrong

[supernan]

===========================
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/otto-kesselgulasch/gimp/ubuntu bionic InRelease
Get:2 http://ftp.ticklers.org/archive.ubuntu.org/ubuntu bionic InRelease [242 kB]
Hit:3 http://ppa.launchpad.net/teejee2008/ppa/ubuntu bionic InRelease
Ign:4 http://repo.linuxliteos.com/linuxlite bionic InRelease
Hit:5 http://archive.canonical.com/ubuntu bionic InRelease
Err:6 http://repo.linuxliteos.com/linuxlite bionic Release
  404  Not Found [IP: 142.54.171.138 80]
Get:7 http://ftp.ticklers.org/archive.ubuntu.org/ubuntu bionic-security InRelease [83.2 kB]
Get:8 http://ftp.ticklers.org/archive.ubuntu.org/ubuntu bionic-updates InRelease [88.7 kB]
Get:9 http://ftp.ticklers.org/archive.ubuntu.org/ubuntu bionic-backports InRelease [74.6 kB]
Reading package lists...
E: The repository 'http://repo.linuxliteos.com/linuxlite bionic Release' does not have a Release file.