FC4:logwatch error after update logwatch-6.1.2-1.fc4

[JONGKON Sawangphon <jongkon.cp@xxxxxxxxxxxx>]

After update logwatch-6.1.2-1.fc4.noarch.rpm

Found error:

/etc/cron.daily/00-logwatch:

ERROR: Date::Manip unable to determine TimeZone.
 at /usr/lib/perl5/vendor_perl/5.8.6/Date/Manip.pm line 3495
    Date::Manip::Date_TimeZone called at 
/usr/lib/perl5/vendor_perl/5.8.6/Date/Manip.pm line 661
    Date::Manip::Date_Init() called at 
/usr/lib/perl5/vendor_perl/5.8.6/Date/Manip.pm line 779
    Date::Manip::ParseDateString('epoch 1121634122') called at 
/etc/log.d/lib/Logwatch.pm line 493
    Logwatch::TimeBuild() called at /etc/cron.daily/00-logwatch line 619

Thank for you help.
jong.