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: 194
name: THE BIRMINGHAM (89-91 BLAKESLEY ROAD YARDLEY) TPO 1976
tree-preservation-order: undefined
TPO 194
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.810363 52.474273,-1.810520 52.474268,-1.810509 52.474096,-1.810809 52.473550,-1.810830 52.473492,-1.810516 52.473415,-1.810343 52.473383,-1.810312 52.473409,-1.810046 52.474104,-1.810059 52.474277,-1.810363 52.474273)))
point: POINT (-1.810401 52.473837)
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.