I killed my zimbra installation last nite . It is failing on the Scalar::Util perl module, but I do not understand how to get around this as other posts have talked about. I made a backup before the upgrade, but I am unsure of the recovery process also. Any help would be greatly appreciated.

Error in installation:
Checking 5.0.0_BETA2
Updating from 5.0.0_BETA2
Checking 5.0.0_BETA3
Updating from 5.0.0_BETA3
Starting mysql
Tue Jan 1 00:52:53 2008: Executing /opt/zimbra/libexec/scripts/migrate20070713-NullContactBlobDigest.pl
Stopping mysql
Stopping ldap
Migrating ldap bdb log files
Checking ldap status
Starting ldap
Tue Jan 1 00:53:51 2008: Executing /opt/zimbra/libexec/scripts/migrate20070809-Signatures.pl
Moving postfix queues from 2.2.9 to 2.4.3.3
Moving defer
cp: target `/opt/zimbra/postfix-2.4.3.3/spool/defer' is not a directory
chown: cannot access `/opt/zimbra/postfix-2.4.3.3/spool/defer': No such file or directory
Moving deferred
cp: target `/opt/zimbra/postfix-2.4.3.3/spool/deferred' is not a directory
chown: cannot access `/opt/zimbra/postfix-2.4.3.3/spool/deferred': No such file or directory
Checking 5.0.0_BETA4
Updating from 5.0.0_BETA4
Migrating amavisd-new to version 2.5.2
Checking /opt/zimbra/amavisd-new-2.4.3/db
Checking /opt/zimbra/amavisd-new-2.4.3/.spamassassin
Checking /opt/zimbra/amavisd-new-2.4.1/db
Checking /opt/zimbra/amavisd-new-2.4.1/.spamassassin
Checking /opt/zimbra/amavisd-new-2.3.3/db
Checking /opt/zimbra/amavisd-new-2.3.3/.spamassassin
Checking /opt/zimbra/amavisd-new-2.3.1/db
Checking /opt/zimbra/amavisd-new-2.3.1/.spamassassin
Checking 5.0.0_RC1
Updating from 5.0.0_RC1
Checking 5.0.0_RC2
Updating from 5.0.0_RC2
Stopping ldap
Checking ldap status
Starting ldap
Checking 5.0.0_RC3
Updating from 5.0.0_RC3
5 is only avaliable with the XS version at /opt/zimbra/zimbramon/lib/IO/Socket/SSL.pm line 30
BEGIN failed--compilation aborted at /opt/zimbra/zimbramon/lib/IO/Socket/SSL.pm line 30, line 16.
Compilation failed in require at /opt/zimbra/zimbramon/lib/Net/LDAP.pm line 970,
line 16.

Thanks