Hello List I trying install horae-062a on my Slamd64 11.0 ( AMD64 3200+), but it appears a following error; ...... /usr/bin/perl5.8.8 chantler2st.PL chantler.db Can't locate Chemistry/Elements.pm in @INC (@INC contains: /usr/lib/perl5/5.8.8/x86_64-linux /usr/lib/perl5/5.8.8 /usr/lib/perl5/site_perl/5.8.8/x86_64-linux /usr/lib/perl5/site_perl/5.8.8 /usr/lib/perl5/site_perl .) at chantler2st.PL line 40. BEGIN failed--compilation aborted at chantler2st.PL line 40. make[1]: *** [chantler.db] Error 2 make[1]: Leaving directory `/usr/local/src/horae-062a/Absorption' make: *** [subdirs] Error 2 Some idea for this error, Either it cannot install Gifefiit. PGplot - Ok Ifeffit - Ok Tk - 95% ok (according to test) Thanks Chachi Rojas Ayala GMC FCF UNMSM Claro:01-97489347 email:crojasa@unmsm.edu.pe