installing 2.26 on karmic will probably reveal to be non-trivial since it would require to downgrade the evolution-data-server stack too, I've no easy reply for your right now, the easiest might be to look at fixing the issue in 2.28
installing 2.26 on karmic will probably reveal to be non-trivial since it would require to downgrade the evolution- data-server stack too, I've no easy reply for your right now, the easiest might be to look at fixing the issue in 2.28