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: TPO918
name: 10/1982
tree-preservation-order: undefined
10/1982
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((0.742305 51.246098,0.742488 51.246320,0.742715 51.246558,0.743127 51.247029,0.743266 51.247081,0.743319 51.247125,0.743295 51.247147,0.743094 51.247269,0.742966 51.247374,0.742688 51.247551,0.742452 51.247721,0.742085 51.247952,0.742035 51.247992,0.741897 51.248072,0.741832 51.248106,0.741670 51.248151,0.741537 51.248174,0.741471 51.248177,0.741370 51.248031,0.741305 51.247911,0.741259 51.247798,0.741215 51.247741,0.741142 51.247666,0.740918 51.247477,0.740667 51.247237,0.740329 51.246968,0.742305 51.246098)))
point: POINT (0.741863 51.247128)
notes: The Maidstone Borough Council Tree Preservation Order No.10 of 1982 under the provisions of Section 60 of the Town and Country Act 1971. Woodlands - W2 Comprising the several
organisation
entry-date: 1982-07-08
start-date: 1982-07-08
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.