have a v5.6 interbase db
xxx.gdb and when i do a backup
the following message i have :
gbak: 7 records written
gbak: writing index RDB$PRIMARY24
gbak: writing index DONES_PATIENTID
gbak: writing index DONES_TIME
gbak: writing index RDB$FOREIGN94
gbak: writing data for table DONES
gbak: ERROR: database file appears corrupt ()
gbak: ERROR: wrong page type
gbak: ERROR: page 28300 is of wrong type (expected 5, found 7)
gbak: ERROR: gds_$receive failed
gbak: Exiting before completion due to errors

Backup exited unsuccessfully on Mon Dec 11 14:18:16 2000

how do i save my data from the db please......