Tree preservation zone

There is a problem

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

reference: 03/01217/C
name: Bottoms Mill, Bottoms, Halifax.
tree-preservation-order: undefined
03/01217/C
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((-1.850438 53.706101,-1.850450 53.706058,-1.850420 53.706023,-1.850321 53.705954,-1.850292 53.705927,-1.850258 53.705905,-1.850223 53.705878,-1.850211 53.705867,-1.850182 53.705833,-1.850152 53.705801,-1.850115 53.705730,-1.850091 53.705698,-1.850061 53.705647,-1.850004 53.705506,-1.849968 53.705434,-1.849928 53.705364,-1.849797 53.705307,-1.849793 53.705316,-1.849791 53.705316,-1.849701 53.705295,-1.849692 53.705303,-1.849691 53.705314,-1.849687 53.705327,-1.849672 53.705340,-1.849663 53.705345,-1.849649 53.705349,-1.849616 53.705353,-1.849570 53.705425,-1.849541 53.705579,-1.849553 53.705621,-1.849458 53.705789,-1.849996 53.706328,-1.850044 53.706307,-1.850089 53.706304,-1.850193 53.706271,-1.850324 53.706236,-1.850351 53.706198,-1.850366 53.706165,-1.850387 53.706140,-1.850424 53.706113,-1.850438 53.706101)))
point: POINT (-1.849913 53.705837)
notes: Ash, beech, oak, sycamore
entry-date: 2003-06-25
start-date: 2003-06-25
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.