Hi,

> I'd encountered this error while opening the FDB file sent by client
> using FB 1.0/1.5/2.0/2.1;

'opening' ?? how?? connecting with it using ISQL??

have you tryed 'gstat -h <database>' to read the actual ODS version?

> Can anyone suggest that ODS version 523 is belongs to which alpha/beta
> release?

It may also be a corrupted db or a Interbase db file.


Regards,
Anderson Farias