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: T2-117-G3
name: The Southampton (Winchester Road/Warren Avenue) TPO 1985
tree-preservation-order: undefined
T2-117
tree-preservation-zone-type: group
geometry: MULTIPOLYGON (((-1.434479 50.927819,-1.434496 50.927822,-1.434513 50.927819,-1.434534 50.927810,-1.434539 50.927801,-1.434539 50.927784,-1.434528 50.927769,-1.434516 50.927758,-1.434497 50.927757,-1.434423 50.927761,-1.434324 50.927789,-1.434236 50.927817,-1.434120 50.927874,-1.433978 50.927985,-1.433918 50.928057,-1.433893 50.928111,-1.433893 50.928134,-1.433897 50.928149,-1.433907 50.928160,-1.433928 50.928160,-1.433945 50.928152,-1.433952 50.928134,-1.433955 50.928095,-1.433972 50.928071,-1.434033 50.928010,-1.434089 50.927942,-1.434182 50.927879,-1.434425 50.927796,-1.434434 50.927790,-1.434444 50.927790,-1.434460 50.927793,-1.434479 50.927819)))
point: POINT (-1.434168 50.927918)
notes
entry-date: 2026-07-28
start-date
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.