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: 487
name: THE BIRMINGHAM (LAND ADJACENT 7 BRACEBRIDGE ROAD FOUR OAKS, SUTTON COLDFIELD) TPO 1986
tree-preservation-order: undefined
TPO 487
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.831317 52.575937,-1.831636 52.575786,-1.831551 52.575500,-1.831275 52.575519,-1.831174 52.575081,-1.830758 52.575094,-1.830747 52.575035,-1.830439 52.575057,-1.830428 52.574985,-1.830061 52.574997,-1.830146 52.575291,-1.830072 52.575325,-1.830324 52.575408,-1.830168 52.575589,-1.831165 52.575904,-1.831173 52.575894,-1.831317 52.575937)))
point: POINT (-1.830824 52.575448)
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.