While creating ARF file an error had occurred as:

   xis_contami: reading
'/home/group1/rajeev/caldb/data/suzaku/xis/bcf/ae_xi0_contami_20091201.fits'
...
xis_contami: FORMAT_VERSION(2) not supported
xissimarfgen: reading estepfile 'estep-default.list'
xissimarfgen: estepfile 'estep-default.list' open failed
Fail to select CALDB file with the given criteria (at HDgtcalf.c: 142)
Unable to open CALDB index file (at HDgtcalf.c: 202)
Task xissimarfgen 2007-07-16 terminating with status -1


 and  no ARF  file has created . However,it(xisrmfgen) successfully
created RMF file.

 Please suggest any possible solution.