Tree preservation zone

There is a problem

1000 entries with tree-preservation-order field must match the reference field in the tree preservation order dataset

reference: TPO1951_001OTL_W_002
name: W2
tree-preservation-order: undefined
TPO1951_001OTL
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((-1.726155 53.897910,-1.726614 53.897823,-1.726675 53.897712,-1.726742 53.897553,-1.726686 53.897232,-1.726566 53.897223,-1.726324 53.897163,-1.725954 53.897117,-1.725835 53.897086,-1.725670 53.897013,-1.725655 53.896987,-1.725642 53.896901,-1.725562 53.896899,-1.725399 53.896850,-1.725355 53.896803,-1.724010 53.896934,-1.724048 53.897017,-1.724088 53.897064,-1.724124 53.897088,-1.724280 53.897121,-1.724315 53.897172,-1.724304 53.897215,-1.724257 53.897276,-1.724237 53.897323,-1.724240 53.897343,-1.724262 53.897365,-1.724969 53.897355,-1.725371 53.897416,-1.725641 53.897532,-1.725852 53.897660,-1.726155 53.897910)))
point: POINT (-1.725532 53.897284)
notes
entry-date: 2026-02-12
start-date: 1971-07-29
end-date

Your dataset is missing the tree-preservation-order column.

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

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