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: 395
name: THE BIRMINGHAM (LAND REAR OF 859-889 SHIRLEY ROAD, HALL GREEN) TPO 1982
tree-preservation-order: undefined
TPO 395
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.835940 52.424259,-1.836023 52.423747,-1.836719 52.423767,-1.836715 52.423669,-1.836038 52.423649,-1.836017 52.423246,-1.836003 52.423187,-1.835986 52.423154,-1.835793 52.423145,-1.835793 52.423212,-1.834968 52.423577,-1.834963 52.423678,-1.834899 52.423678,-1.834915 52.424229,-1.835940 52.424259)))
point: POINT (-1.83557 52.423778)
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.