--- In firebird-support@yahoogroups.com, "Scott" wrote:

>
> Please forgive me if this is a well known issue. This is my
> first time with Firebird, I recently inherited the application.
>
> I am attempting to perform a "nbackup" using the following command:
>
> nbackup -U sysdba -P masterkey -B 0 ejdb.fdb c:\delme\backup.nbk
>
> This is the error I get back:
>
> [
> PROBLEM ON "begin backup: commit".
> feature is not supported
> SQLCODE:-901
> [
> Failure: Database error
>
> Any direction would be very much appreciated!!

Show us output of

gstat -h ejdb.fdb

Regards,
Vlad