$self->set('ship_location', ''); #flush cache
if ( $old->ship_locationnum and # should only be null during upgrade...
$old->ship_locationnum != $self->ship_locationnum ) {
$self->set('ship_location', ''); #flush cache
if ( $old->ship_locationnum and # should only be null during upgrade...
$old->ship_locationnum != $self->ship_locationnum ) {