[Koha] Problem in koha 3 installation on debian

[Frederic Demians]

>      I need help
>      when i change the line 1 (parserdetails.ini) from
>      [XML::SAX::PurePerl]
>      to
>      [XML::LibXML::SAX::Parser]
>      and run misc/sax_parser_print.pl
>      i got this error
>      
>     Can't locate object method 'new' via package
>     'XML::LibXML::SAX::Parser' at
>     /usr/local/share/perl/5.8.8/XML/SAX/ParserFactory.pm line 43.
>

Have you installed libxml ?

http://xmlsoft.org

On GNU/Debian: apt-get install libxml2

You have to say more about your installation to get more help.
--
Frédéric