Not being able to open my revit file

Hi,recently I am encountering an error when I am trying to open one of my revit file.I have not seen this kind of error before. How can I get my revit file back ?
Please help.

Error: Seek failed on Z:Data files 8190.010 Sabatini ResidenceMODELSrevised schemesabatini residence revised scheme 04 REV.BATH.rvt
