Can't locate Sys/Hostname/Long.pm - Mailscanner-4.55.10-3

[Ricardo Bernardes-Mailscanner]

Hello,
 i've just upgraded my Mailscanner version, everything went OK but i'm not 
 able to start Mailscanner.

 Get the following message:


 MailScanner:       Can't locate Sys/Hostname/Long.pm in @INC (@INC 
 contains: /usr/lib/MailScanner 
 /usr/lib/perl5/5.8.0/i386-linux-thread-multi /usr/lib/perl5/5.8.0 
 /usr/lib/perl5/site_perl/5.8.0/i386-linux-thread-multi 
 /usr/lib/perl5/site_perl/5.8.0 /usr/lib/perl5/site_perl/5.6.1 
 /usr/lib/perl5/site_perl 
 /usr/lib/perl5/vendor_perl/5.8.0/i386-linux-thread-multi 
 /usr/lib/perl5/vendor_perl/5.8.0 /usr/lib/perl5/vendor_perl . 
 /usr/lib/MailScanner) at /usr/sbin/MailScanner line 67.
 BEGIN failed--compilation aborted at /usr/sbin/MailScanner line 67.


 RedHat 8.0
 Mailscanner
 Sendmail
 SA


 Help Please !

 Thanks

 Ricardo