Hello; I am installing Koha 3.00.02 on a Debian server ( 5.0.0 Lenny ) and I am at the tail end of the install where I am trying to get a login to Koha - via 127.0.1.1:8080 (It is installed on the server) and I get a message that the version of XML::LibXSLT is 1.70 and needs to be 1.66 Does anyone know a way to drop back a version from cpan or the command line? Here is the error : Koha error The following fatal error has occurred: This version of XML::LibXSLT requires XML::LibXML 1.66 (ABI 1), which is incompatible with currently installed XML::LibXML 1.70 (ABI 2). Please upgrade XML::LibXSLT, XML::LibXML, or both! at /usr/local/lib/perl/5.10.0/XML/LibXML.pm line 49. BEGIN failed--compilation aborted at /usr/lib/perl5/XML/LibXSLT.pm line 7. Compilation failed in require at /usr/share/koha/lib/C4/XSLT.pm line 27. BEGIN failed--compilation aborted at /usr/share/koha/lib/C4/XSLT.pm line 27. Compilation failed in require at /usr/share/koha/lib/C4/Search.pm line 28. BEGIN failed--compilation aborted at /usr/share/koha/lib/C4/Search.pm line 28. Compilation failed in require at /usr/share/koha/lib/C4/Heading.pm line 25. BEGIN failed--compilation aborted at /usr/share/koha/lib/C4/Heading.pm line 25. Compilation failed in require at /usr/share/koha/lib/C4/Biblio.pm line 36. Compilation failed in require at /usr/share/koha/lib/C4/Reserves.pm line 28. BEGIN failed--compilation aborted at /usr/share/koha/lib/C4/Reserves.pm line 28. Compilation failed in require at /usr/share/koha/lib/C4/Circulation.pm line 25. BEGIN failed--compilation aborted at /usr/share/koha/lib/C4/Circulation.pm line 25. Compilation failed in require at /usr/share/koha/lib/C4/Overdues.pm line 24. BEGIN failed--compilation aborted at /usr/share/koha/lib/C4/Overdues.pm line 24. Compilation failed in require at /usr/share/koha/lib/C4/Members.pm line 27. BEGIN failed--compilation aborted at /usr/share/koha/lib/C4/Members.pm line 27. Compilation failed in require at /usr/share/koha/lib/C4/Auth.pm line 27. BEGIN failed--compilation aborted at /usr/share/koha/lib/C4/Auth.pm line 27. Compilation failed in require at /usr/share/koha/opac/cgi-bin/opac/ opac-main.pl line 22. BEGIN failed--compilation aborted at /usr/share/koha/opac/cgi-bin/opac/ opac-main.pl line 22. Thank you for any advice you could give !