thanks Sebastian locate Perl.pm | grep Modern /root/.cpan/build/Modern-Perl-1.20150127-I82bBB/blib/lib/Modern/Perl.pm /root/.cpan/build/Modern-Perl-1.20150127-I82bBB/lib/Modern/Perl.pm /root/perl5/lib/perl5/Modern/Perl.pm is thi i supposed to do export PERL5LIB=/usr/share/koha/lib/:$PERL5LIB ? or nothing changed i still have the error thanks -- regina