--- In firebird-support@yahoogroups.com, PenWin wrote:

>
> Hi!
>
> I am at a loss what to do now. I have a FB 1.5 database which seems to
> work fine and even passes gfix -validate -full without any complaints. I
> can backup the database using gbak, but if I take that backup and
> immediately restore it (gbak again), after all data and most (not sure,
> maybe all) indexes get restored, I get error "Invalid request BLR at
> offset 752, data operation not supported". After that, the database is
> inaccessible - either because it is shutdown or because it has an
> unsupported on-disk structure of 32779.

It is bad idea to use IB with Firebird database ;)

Regards,
Vlad