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: 104
name: THE BIRMINGHAM (LAND R/O 49-63 BUNBURY ROAD, NORTHFIELD) TPO 1972
tree-preservation-order: undefined
TPO 104
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.954497 52.414794,-1.955833 52.414707,-1.955795 52.414529,-1.955812 52.414527,-1.955785 52.414447,-1.955776 52.414447,-1.955676 52.414090,-1.955525 52.413737,-1.955278 52.413757,-1.955074 52.413762,-1.954971 52.413743,-1.954741 52.413673,-1.954411 52.413707,-1.954096 52.413772,-1.954149 52.413912,-1.954209 52.413908,-1.954234 52.414057,-1.954318 52.414296,-1.954353 52.414433,-1.954411 52.414576,-1.954428 52.414574,-1.954497 52.414794)))
point: POINT (-1.954986 52.414235)
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.