When trying to create a database from an fbk file, I am getting the
following error. The fbk file should be fine (it used to work earlier)
but gbak keeps complaining that the file is corrupt.
How do I go about debugging this ?

Thanks!
Kapil

/opt/firebird/bin/gbak -C TemplateDatabase.fbk RealData.fdb

gbak: ERROR: database file appears corrupt ()

gbak: ERROR: wrong page type

gbak: ERROR: page -1 is of wrong type (expected 7, found 0)

gbak: ERROR: failed to create database RealData.fdb

gbak: Exiting before completion due to errors