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: 329
name: THE BIRMINGHAM (ARDEN DRIVE, WYLDE GREEN, SUTTON COLDFIELD) TPO 1980
tree-preservation-order: undefined
TPO 329
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.826985 52.542229,-1.826883 52.542466,-1.826857 52.542581,-1.827003 52.542583,-1.827022 52.542493,-1.827158 52.542191,-1.827601 52.542208,-1.827611 52.542086,-1.827636 52.542086,-1.827698 52.541834,-1.827830 52.541840,-1.827828 52.541667,-1.827975 52.541670,-1.828077 52.541406,-1.826557 52.541186,-1.826520 52.541523,-1.826562 52.541525,-1.826548 52.541620,-1.826511 52.541618,-1.826481 52.541903,-1.826462 52.541997,-1.826435 52.542078,-1.826499 52.542083,-1.826476 52.542196,-1.826985 52.542229)))
point: POINT (-1.827142 52.541749)
notes: The shaded area represents those properties which fall within the outline of a Tree Preservation Order. To precisely identify trees protected by the Order, you can request a copy of the tree preservation order at the following link.
organisation
entry-date: 2025-11-30
start-date
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.