It looks like you have the lubuntu-core meta pkg installed and not the lubuntu-desktop meta package. If you want to upgrade you might just try upgrading via apt (you can find instructions on-line). This issue should be fixed by the following change in Vivid, although that won't help upgrading to utopic.
* data/DistUpgrade.cfg: Add xubuntu-core and lubuntu-core to MetaPkgs and
add KeyDependencies for them. Thanks to LP user Unit 193 for working on
this.
-- Brian Murray <email address hidden> Mon, 23 Feb 2015 10:28:34 -0800
It looks like you have the lubuntu-core meta pkg installed and not the lubuntu-desktop meta package. If you want to upgrade you might just try upgrading via apt (you can find instructions on-line). This issue should be fixed by the following change in Vivid, although that won't help upgrading to utopic.
ubuntu- release- upgrader (1:15.04.8) vivid; urgency=medium
* data/DistUpgrad e.cfg: Add xubuntu-core and lubuntu-core to MetaPkgs and
add KeyDependencies for them. Thanks to LP user Unit 193 for working on
this.
-- Brian Murray <email address hidden> Mon, 23 Feb 2015 10:28:34 -0800