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: 478
name: THE BIRMINGHAM (82 LICHFIELD ROAD, SUTTON COLDFIELD) TPO 1986
tree-preservation-order: undefined
TPO 478
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.823677 52.572267,-1.823540 52.572015,-1.823281 52.572116,-1.823276 52.572105,-1.822626 52.572374,-1.821864 52.572717,-1.821641 52.572291,-1.821410 52.572382,-1.822079 52.572971,-1.822895 52.572633,-1.823430 52.572392,-1.823677 52.572267)))
point: POINT (-1.822646 52.572498)
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.