[gentoo-user] chromium-browser will not start

[allan gottlieb]

Just now chromium will not start

    gottlieb@E7450 /local/allan/gottlieb $ chromium-browser 
    [1318:1338:0128/133753:ERROR:nss_util.cc(839)] After loading Root
    Certs,  loaded==false: NSS error code: -8018

I am running stable gentoo, gnome, systemd

thanks in advance for any tips.
allan