Tree preservation zone

There is a problem

tree-preservation-order column must match the reference field in the tree preservation order dataset

reference: TPO102
name: South of High Santon Villas
tree-preservation-order: undefined
Appleby 1985 Order Burnt Strip No.2
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((-0.588539 53.593006,-0.588517 53.593040,-0.588486 53.593066,-0.588443 53.593097,-0.588353 53.593130,-0.588313 53.593136,-0.588150 53.593142,-0.588022 53.593151,-0.587811 53.593157,-0.587735 53.593171,-0.587704 53.593189,-0.587660 53.593235,-0.587638 53.593253,-0.587593 53.593285,-0.587560 53.593318,-0.587530 53.593353,-0.587524 53.593409,-0.587549 53.593486,-0.587568 53.593507,-0.587586 53.593519,-0.587602 53.593552,-0.587599 53.593672,-0.587604 53.593707,-0.587618 53.593768,-0.587629 53.593795,-0.587637 53.593829,-0.587667 53.593900,-0.587682 53.593928,-0.587704 53.593948,-0.587728 53.593967,-0.587760 53.593984,-0.587787 53.593995,-0.587823 53.594003,-0.587852 53.594004,-0.587886 53.594000,-0.587914 53.593995,-0.587940 53.593988,-0.587979 53.593972,-0.588017 53.593953,-0.588056 53.593937,-0.588075 53.593932,-0.588353 53.593836,-0.588393 53.593818,-0.588429 53.593804,-0.588516 53.593759,-0.588609 53.593694,-0.588661 53.593644,-0.588720 53.593574,-0.588788 53.593509,-0.588773 53.593511,-0.588680 53.593313,-0.588655 53.593256,-0.588624 53.593193,-0.588539 53.593006)))
point: POINT (-0.588119 53.593513)
notes
entry-date: 1985-04-10
start-date: 1985-02-21
end-date

Your data is missing a tree-preservation-order.

The Tree preservation zone guidance explains how to fix the issue:

The reference for the tree preservation order that covers this zone.