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: 99
name: THE BIRMINGHAM (876-882 CHESTER ROAD, ERDINGTON) TPO 1972
tree-preservation-order: undefined
TPO 99
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.818342 52.527809,-1.818332 52.527800,-1.818044 52.527841,-1.817810 52.527861,-1.817653 52.528081,-1.817560 52.528231,-1.817711 52.528268,-1.817487 52.528596,-1.817953 52.528716,-1.818115 52.528500,-1.818292 52.528230,-1.818733 52.528261,-1.818805 52.528231,-1.818342 52.527809)))
point: POINT (-1.818047 52.528213)
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.