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: 144
name: THE BIRMINGHAM (153 - 159 FRANKLEY BEECHES ROAD, NORTHFIELD) TPO 1975
tree-preservation-order: undefined
TPO 144
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.981279 52.409733,-1.981362 52.409915,-1.981353 52.409916,-1.981699 52.410877,-1.982248 52.410824,-1.983022 52.410726,-1.983446 52.410655,-1.983639 52.410617,-1.983761 52.410584,-1.983764 52.410517,-1.983662 52.410303,-1.983604 52.410208,-1.983433 52.410010,-1.983365 52.409828,-1.983343 52.409680,-1.983353 52.409627,-1.983399 52.409527,-1.981888 52.409669,-1.981272 52.409719,-1.981279 52.409733)))
point: POINT (-1.9825 52.410199)
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.