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: T2-104-A1
name: The Southampton (Bassett Green Road) TPO 1981
tree-preservation-order: undefined
T2-104
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.394577 50.947617,-1.394544 50.947628,-1.394435 50.947729,-1.394270 50.948051,-1.395327 50.948311,-1.396250 50.948570,-1.397038 50.948862,-1.397903 50.949207,-1.397986 50.949257,-1.398386 50.949480,-1.398771 50.949778,-1.398839 50.949843,-1.398894 50.949864,-1.398978 50.949886,-1.399118 50.949935,-1.399713 50.949580,-1.398871 50.949287,-1.397815 50.948951,-1.398100 50.949037,-1.396880 50.948649,-1.396586 50.948538,-1.396306 50.948384,-1.395707 50.948033,-1.395360 50.947870,-1.395107 50.947724,-1.394866 50.947655,-1.394719 50.947621,-1.394611 50.947612,-1.394577 50.947617)))
point: POINT (-1.396876 50.948721)
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.