Hi,
If you track the messages at https://launchpad.net/malone/bugs/3080 you will
find a solution I proposed to partially solve your problem.
It is not a bug of Ubuntu, but rather a bug of LyX TeX class compatibility.
Try the (manual solution) I proposed and see if it works for you.
As I wrote
Hi Eric,
Yeah, I'm still working on it. But my time is really tight these days.
One thing I think we should have is to separate, in bug track, bugs
which are inherently from Ubuntu development (libraries, etc) from
bugs which are associated to applications. This bug is one example.
This error