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: TPO1960_003AIR_W_008
name: W8
tree-preservation-order: undefined
TPO1960_003AIR
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((-1.771478 53.868512,-1.771227 53.868405,-1.770691 53.868624,-1.770156 53.868647,-1.769902 53.869082,-1.770506 53.869190,-1.771070 53.869388,-1.771342 53.869436,-1.771634 53.869532,-1.771906 53.869586,-1.772520 53.869909,-1.772661 53.869928,-1.772741 53.869999,-1.772953 53.870000,-1.772752 53.869957,-1.772671 53.869892,-1.772682 53.869808,-1.772622 53.869737,-1.772450 53.869689,-1.772340 53.869617,-1.771897 53.869360,-1.771828 53.869211,-1.771829 53.869056,-1.771950 53.869002,-1.772123 53.868788,-1.772123 53.868728,-1.771861 53.868692,-1.771770 53.868745,-1.771689 53.868710,-1.771599 53.868602,-1.771478 53.868512)))
point: POINT (-1.771219 53.869039)
notes
entry-date: 2026-02-12
start-date: 1963-07-14
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.