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: TPO1985_031_W_001
name: W1
tree-preservation-order: undefined
TPO1985_031
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((-1.362967 53.763744,-1.362882 53.763642,-1.362270 53.763084,-1.362245 53.763051,-1.361916 53.763029,-1.361809 53.763005,-1.361765 53.762973,-1.361704 53.762891,-1.361674 53.762783,-1.361641 53.762738,-1.361567 53.762668,-1.361548 53.762630,-1.361539 53.762584,-1.361538 53.762506,-1.361598 53.762346,-1.361630 53.762232,-1.361668 53.762057,-1.361682 53.761912,-1.361790 53.761533,-1.361757 53.761477,-1.361690 53.761416,-1.361639 53.761387,-1.361508 53.761339,-1.361339 53.762361,-1.361245 53.762755,-1.361219 53.762854,-1.361191 53.762920,-1.361093 53.763281,-1.361024 53.763410,-1.360954 53.763500,-1.361582 53.763571,-1.361600 53.763582,-1.361628 53.763639,-1.361666 53.763667,-1.361750 53.763693,-1.361828 53.763707,-1.361900 53.763706,-1.361977 53.763688,-1.362067 53.763652,-1.362133 53.763642,-1.362967 53.763744)))
point: POINT (-1.361749 53.762978)
notes
entry-date: 2026-02-12
start-date: 1985-11-27
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.