perl error message

[Suurbier]

I get the following error message when i run the build script

Latest version of dovecot: 2.0.15
Installed version of dovecot: 2.0.15

Sep 29 22:58:30.393 [21587] error: dualvar is only available with the XS version of Scalar::Util at /usr/lib/perl5/site_perl/5.8.8/IO/Socket/SSL.pm line 20
Sep 29 22:58:30.393 [21587] error: BEGIN failed--compilation aborted at /usr/lib/perl5/site_perl/5.8.8/IO/Socket/SSL.pm line 20.
Sep 29 22:58:30.393 [21587] error: dualvar is only available with the XS version of Scalar::Util at /usr/lib/perl5/site_perl/5.8.8/Compress/Zlib.pm line 8
Sep 29 22:58:30.393 [21587] error: BEGIN failed--compilation aborted at /usr/lib/perl5/site_perl/5.8.8/Compress/Zlib.pm line 8.
Latest version of SpamAssassin: 3.3.2
Installed version of SpamAssassin: 3.3.2

Does anyone know how to fix this?

edit;
I fixed it by reinstalling Scalar::Util with cpan