Do you have a tklbam backup? Perhaps you might be able to migrate your data to the current version? We have a generic doc page that provides a suggested workflow and some specifics. Redmine isn't covered, and coming from such an old system I doubt it would work that smoothly, but it should still be possible.

If you do have a TKLBAM backup and are willing to be a bit patient, I'm more than happy to help as much as I can. Between you, me and google I'm sure we'd be able to nut it out?!