2011/6/3 Yatheesh Y <yatheeshb at gmail.com>: > > can any one help me what was wrong > > > Can't locate Business/ISBN.pm in @INC This probably means you are missing the Business::ISBN Perl module. Try this: sudo apt-get install libbusiness-isbn-perl and if that fails, do this: sudo cpan Business::ISBN Best regards, Magnus Enger libriotech.no