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: 753
name: THE BIRMINGHAM (WITTON HALL BROOKVALE ROAD, ERDINGTON) TPO 1997
tree-preservation-order: undefined
TPO 753
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.871811 52.522377,-1.871793 52.522360,-1.871642 52.522393,-1.871682 52.522464,-1.871675 52.522470,-1.871448 52.522534,-1.871443 52.522528,-1.871338 52.522561,-1.871330 52.522552,-1.871291 52.522565,-1.871358 52.522634,-1.871389 52.522653,-1.871421 52.522666,-1.871557 52.522689,-1.871636 52.522689,-1.871780 52.522669,-1.872049 52.522604,-1.872033 52.522585,-1.872063 52.522577,-1.871811 52.522377)))
point: POINT (-1.871699 52.522556)
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.