perl modules

Dear All,

Firstly, I'm very new to linux , now i'm usin ubunto anyway when i install this modules

libxml-sax-perl
libxml-libxml-perl
libxml-simple-perl

I get the following error:

Reading package lists... Done
Building dependency tree... Done
libxml-sax-perl is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
4 not fully installed or removed.
Need to get 0B of archives.
After unpacking 0B of additional disk space will be used.
Setting up libxml-sax-perl (0.12-5) ...
Can't locate object method "save_parsers_debian" via package "XML::SAX" at /usr/bin/update-perl-sax-parsers line 90.
dpkg: error processing libxml-sax-perl (--configure):
subprocess post-installation script returned error exit status 255
dpkg: dependency problems prevent configuration of libxml-libxml-perl:
libxml-libxml-perl depends on libxml-sax-perl (>= 0.11); however:
Package libxml-sax-perl is not configured yet.
dpkg: error processing libxml-libxml-perl (--configure):
dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of libxml-sax-expat-perl:
libxml-sax-expat-perl depends on libxml-sax-perl (>= 0.03); however:
Package libxml-sax-perl is not configured yet.
dpkg: error processing libxml-sax-expat-perl (--configure):
dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of libxml-simple-perl:
libxml-simple-perl depends on libxml-sax-perl; however:
Package libxml-sax-perl is not configured yet.
libxml-simple-perl depends on libxml-libxml-perl | libxml-sax-expat-perl; however:
Package libxml-libxml-perl is not configured yet.
Package libxml-sax-expat-perl is not configured yet.
dpkg: error processing libxml-simple-perl (--configure):
dependency problems - leaving unconfigured
Errors were encountered while processing:
libxml-sax-perl
libxml-libxml-perl
libxml-sax-expat-perl
libxml-simple-perl
E: Sub-process /usr/bin/dpkg returned an error code (1)

pls anyone help for me