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: 464
name: THE BIRMINGHAM (36-42 & 48 ST. PETER'S ROAD & 12-14 OLD CHURCH ROAD, HARBORNE) TPO 1985
tree-preservation-order: undefined
TPO 464
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.960019 52.454514,-1.960042 52.454347,-1.960020 52.454297,-1.960087 52.454190,-1.959530 52.454052,-1.959491 52.454112,-1.959433 52.454150,-1.959355 52.454182,-1.959093 52.454263,-1.959073 52.454312,-1.959044 52.454485,-1.960019 52.454514)),((-1.959941 52.455091,-1.959966 52.454758,-1.959024 52.454686,-1.958996 52.454849,-1.958935 52.455019,-1.959941 52.455091)))
point: POINT (-1.959529 52.4546)
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.