I cannot reproduce this bug with gnome-online-accounts 3.24.1-0ubuntu1 on artful, which is the same version that you are running.
I think by running "G_MESSAGES_DEBUG=all gnome-control-center" and then trying to add your account as usual may print any log messages of any use to the terminal.
I cannot reproduce this bug with gnome-online- accounts 3.24.1-0ubuntu1 on artful, which is the same version that you are running.
I think by running "G_MESSAGES_ DEBUG=all gnome-control- center" and then trying to add your account as usual may print any log messages of any use to the terminal.