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: 25
name: THE BIRMINGHAM (323 HAGLEY ROAD, EDGBASTON) TPO 1969
tree-preservation-order: undefined
TPO 25
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.952265 52.473163,-1.952380 52.472941,-1.952482 52.472712,-1.952187 52.472666,-1.952175 52.472674,-1.951817 52.473191,-1.952454 52.473353,-1.952522 52.473214,-1.952265 52.473163)))
point: POINT (-1.952196 52.473019)
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.