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: 1/84/17-819
name: 3 Individual, 2 Groups, 4 Woodlands
tree-preservation-order: undefined
1/84/17-819
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((0.166483 52.031123,0.166506 52.031137,0.166525 52.031152,0.166770 52.031544,0.166943 52.031843,0.167123 52.032206,0.167181 52.032333,0.167238 52.032513,0.167289 52.032729,0.167405 52.033206,0.167413 52.033255,0.167414 52.033313,0.167405 52.033370,0.167151 52.033332,0.166900 52.033287,0.166808 52.033269,0.166717 52.033254,0.166465 52.033228,0.166160 52.033189,0.165879 52.033141,0.165831 52.033137,0.165783 52.033136,0.165736 52.033133,0.165710 52.033130,0.165685 52.033126,0.165624 52.033109,0.165598 52.033105,0.165493 52.033105,0.165398 52.033101,0.165303 52.033095,0.165191 52.033082,0.164842 52.033066,0.164627 52.033051,0.164539 52.033044,0.164514 52.033036,0.164499 52.033025,0.164491 52.033016,0.164468 52.032963,0.164457 52.032947,0.164424 52.032912,0.164415 52.032433,0.164409 52.032319,0.164407 52.032150,0.164402 52.032035,0.164341 52.031290,0.165081 52.031222,0.166457 52.031122,0.166483 52.031123)))
point: POINT (0.165801 52.032233)
notes
entry-date: 1984-10-04
start-date: 1984-10-04
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.