I got the same error-message when trying to install turba2. And also all dependcies for turba2 should be fullfiled on my system: horde3 is up and running correct.
-- Cannot install turba2 https://launchpad.net/bugs/46838 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs