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: TPO1952_001WFD_W_006
name: W6
tree-preservation-order: undefined
TPO1952_001WFD
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((-1.615414 53.896644,-1.615383 53.896710,-1.615457 53.896721,-1.615496 53.896650,-1.616098 53.896724,-1.616132 53.896679,-1.616453 53.896508,-1.616683 53.896401,-1.617009 53.896263,-1.616959 53.895936,-1.616941 53.895841,-1.616922 53.895800,-1.616848 53.895700,-1.616366 53.895343,-1.616145 53.895191,-1.616111 53.895149,-1.616030 53.895117,-1.615916 53.895473,-1.615908 53.895502,-1.615912 53.895526,-1.615949 53.895554,-1.616012 53.895575,-1.616436 53.895635,-1.616514 53.895658,-1.616564 53.895684,-1.616650 53.895773,-1.616693 53.895858,-1.616718 53.895958,-1.616696 53.896087,-1.616645 53.896160,-1.616537 53.896233,-1.615787 53.896616,-1.615437 53.896595,-1.615414 53.896644)))
point: POINT (-1.616398 53.895984)
notes
entry-date: 2026-02-12
start-date: 1952-01-25
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.