[Perlfect-search] Software error: cannot open inv_index file

[ALFRED OWUSU]

I have install perlfect and run the indexer.pl and
everyting is fine..
but i try to test the search this is the error that i get

Software error:
Cannot open /home/cgi-bin/perlfect/search/data/inv_index:  at
/home/cgi-bin/perlfect/search/search.cgi line 65.
I have search all the archive files but no solution.

Any help or direction will be much appreciated.

Thanx
Alfred