Tried to upgrade (the gpg is at this time available) but encounter with other error. The bug report: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1021778
Tried to upgrade (the gpg is at this time available) but encounter with other error. The bug report: /bugs.launchpad .net/ubuntu/ +source/ ubuntu- release- upgrader/ +bug/1021778
https:/