sage -upgrade
....
....
Automatically selected server content.wuala.com
(http://content.wuala.com/contents/phatsphere/edoras/sage-mirror/).
Downloading packages from
'http://content.wuala.com/contents/phatsphere/edoras/sage-mirror//spkg'.
Reading package lists....
404 Error: Package server
'http://content.wuala.com/contents/phatsphere/edoras/sage-mirror//spkg'
not found.
Abort.
I am in 4.6.2