DbMarkCorruptAgain(Both SB copies are corrupt)

We have a database and we are not able to access it. None of the maintenance command is working on it

[00AC:0008-1038] l compact -c -i “New Folder\NPC_July_08.nsf”

[0844:0002-0C1C] **** DbMarkCorruptAgain(Both SB copies are corrupt), DB=e:\domino\data\New Folder\NPC_July_08.nsf TID=[0844:0002-0C1C] File=dbsuper.c Line=404 ***

[0844:0002-0C1C] 04/03/2012 10:55:39 AM Recovery Manager: Assigning new DBIID for e:\domino\data\New Folder\NPC_July_08.nsf (need new backup for media recovery).

[0844:0002-0C1C] 04/03/2012 10:55:39 AM Database compactor error: Database is corrupt – Cannot allocate space

Please advise how to fix