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: TPO937
name: 10/1982
tree-preservation-order: undefined
10/1982
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((0.736066 51.247098,0.736369 51.247356,0.736453 51.247409,0.736756 51.247763,0.736859 51.247924,0.736900 51.247969,0.737157 51.248240,0.737325 51.248370,0.737612 51.248680,0.737716 51.248750,0.737879 51.248914,0.737984 51.248987,0.738074 51.248965,0.738114 51.249015,0.738059 51.249034,0.738195 51.249190,0.738362 51.249303,0.738375 51.249332,0.738438 51.249419,0.738596 51.249556,0.738687 51.249650,0.738912 51.249762,0.738626 51.250094,0.738455 51.250276,0.737938 51.250057,0.737847 51.250011,0.737619 51.249883,0.737538 51.249830,0.737412 51.249728,0.737318 51.249630,0.737213 51.249473,0.737121 51.249330,0.737065 51.249201,0.737034 51.249155,0.736797 51.248865,0.736609 51.248692,0.736468 51.248468,0.736274 51.248119,0.736238 51.248041,0.736134 51.247922,0.736080 51.247824,0.735785 51.247434,0.735734 51.247303,0.735805 51.247204,0.736066 51.247098)))
point: POINT (0.737311 51.248845)
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 - W1 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.