Warning: constant(): Couldn't find constant

[peterwilding]

hi i get this message
Warning: constant(): Couldn't find constant MODULE_SHIPPING_FIRSTPLUSZONES_ZONES_HANDLING_0 in /home/xgear/public_html/includes/modules/shipping/firstpluszones.php on line 81

when i go to shipping as a customer- whats this and how i fix it
i installed both files as at http://www.oscommerce.com/community/con ... 852/page,3


ALSO
Im in NZ and we have 2 islands
i need 4 different zone rates one auckland, One anywhere elce in the north island , one christchurch, and one rest of south island
as at http://www.oscommerce.com/community/con ... 852/page,3

plus the regular
$X first item plus $Y second item

do you know how to do this?????