Evolution is GNOME's Email/Calendar/Tasks software. I'm not a big fan (nor of GNOME's approach in general), but have been using it because Thunderbird is not playing nice with my CardDav sever.

Failed to authenticate: The name :x.xx was not provided by any .service files

I was getting this for Google accounts. Just requires completely killing Evolution with evolution --force-shutdown

• https://forum.manjaro.org/t/evolution-failed-to-authenticate-the-name-1-59-was-not-provided-by-any-service-files/123537
• http://gnome-evolution-general.1774414.n4.nabble.com/Evo-fails-to-connect-to-Gmail-Failed-to-authenticate-The-name-1-6-was-not-provided-by-any-service-fi-td4668950.html#a4668951