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: 33
name: THE BIRMINGHAM (MARIE DRIVE, OFF SHIRLEY ROAD, ACOCKS GREEN) TPO 1964
tree-preservation-order: undefined
TPO 33
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.830992 52.436171,-1.830532 52.435720,-1.831183 52.435427,-1.831463 52.435311,-1.831455 52.435306,-1.831645 52.435220,-1.831774 52.435098,-1.831751 52.435103,-1.830899 52.434828,-1.830845 52.434780,-1.830538 52.434868,-1.830297 52.434985,-1.830214 52.435040,-1.830011 52.435139,-1.829590 52.435277,-1.829345 52.435374,-1.829433 52.435466,-1.829781 52.435668,-1.829877 52.435694,-1.830161 52.435816,-1.830296 52.435862,-1.830321 52.435879,-1.830473 52.435941,-1.830544 52.435951,-1.830846 52.436170,-1.830887 52.436209,-1.830888 52.436220,-1.830992 52.436171)))
point: POINT (-1.830543 52.435353)
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.