What is this? A bug in update-menus???

[John Foster <jfoster@augustmail.com>]

louiloui:/# update-menus
Unknown error, message=replacewith($string, $replace, $with): $replace and 
$with must have the same length.
install-menu: /etc/menu-methods/freedesktop-desktop-entry-spec-dirs: aborting
update-menus[12361]: 
Script /etc/menu-methods/freedesktop-desktop-entry-spec-dirs returned error 
status 1.
Unknown error, message=replacewith($string, $replace, $with): $replace and 
$with must have the same length.
install-menu: /etc/menu-methods/freedesktop-desktop-entry-spec-apps: aborting
update-menus[12361]: 
Script /etc/menu-methods/freedesktop-desktop-entry-spec-apps returned error 
status 1.
louiloui:/#

I am getting the above message when I run update-menus as root. Also the menu 
update application in KDE3.2 is not working either. I suspect they are the 
same issue. Any ideas?
Thanks!

-- 
John Foster