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: TPO962
name: 3/1972
tree-preservation-order: undefined
3/1972
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((0.739116 51.253095,0.738905 51.252853,0.738870 51.252803,0.738883 51.252669,0.738853 51.252611,0.738620 51.252436,0.738343 51.252197,0.737896 51.251787,0.737629 51.251484,0.737592 51.251456,0.737490 51.251333,0.737590 51.251259,0.737792 51.251157,0.738271 51.250832,0.739426 51.251524,0.740276 51.251998,0.740833 51.252238,0.741061 51.252400,0.741281 51.252529,0.741242 51.252646,0.741156 51.252704,0.741079 51.252769,0.741081 51.252856,0.741099 51.252937,0.741257 51.253026,0.742024 51.253530,0.742757 51.253954,0.742723 51.253969,0.742522 51.254015,0.742195 51.254023,0.741798 51.254089,0.741782 51.254065,0.741606 51.253937,0.741342 51.253774,0.741099 51.253593,0.740794 51.253385,0.740520 51.253248,0.740337 51.253316,0.740255 51.253377,0.739995 51.253536,0.739832 51.253618,0.739643 51.253628,0.739526 51.253528,0.739355 51.253352,0.739239 51.253198,0.739116 51.253095)))
point: POINT (0.739792 51.252492)
notes: County of Kent (Hollingbourne Rural Area) Tree Preservation Order No 3 of 1972 under the provision of Section 29 of the Town and Country Planning Act 1962. Woodlands - W3 Mixed hardwoods consisting of
organisation
entry-date: 1974-03-17
start-date: 1972-03-23
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.