W: GPG error: https://repo.plex.tv/deb public InRelease: The following signatures were invalid:

Server Version#:16.04 Ubuntu LTS
Player Version#:1.42.2.10156-f737b826c

After following recent update article I get the following:

Reading package lists… Done
W: GPG error: https://repo.plex.tv/deb public InRelease: The following signatures were invalid: ERRSIG 0A05F1E6E7AFD57
W: The repository ‘https://repo.plex.tv/deb public InRelease’ is not signed.
N: Data from such a repository can’t be authenticated and is therefore potentially dangerous to use.

Have manually downloaded key no luck…any tips?

It’s a known issue Issue Upgrading to PMS 1.43.0.10467 on Debian and RHEL based distributions - #216 by Nehemoth

Hi just upgraded to 18.04 and no more issues.