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: 175
name: THE BIRMINGHAM (36-42 LORDSWOOD ROAD) TPO 1975
tree-preservation-order: undefined
TPO 175
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.959391 52.458468,-1.959167 52.458664,-1.959825 52.458985,-1.960657 52.458338,-1.960179 52.458096,-1.960153 52.458100,-1.959966 52.458010,-1.959659 52.458246,-1.959391 52.458468)))
point: POINT (-1.959905 52.458494)
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.