I have exactly the same problem and error message.
Running addons rev 2215, server rev 1722, gtk client rev 937 on Gentoo
LANG="et_EE.UTF-8" LC_ALL="et_EE.UTF-8"
I have exactly the same problem and error message.
Running addons rev 2215, server rev 1722, gtk client rev 937 on Gentoo
LANG="et_EE.UTF-8" "et_EE. UTF-8"
LC_ALL=