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: 1432
name: THE BIRMINGHAM (LAND ADJACENT TO 101 SELLY OAK ROAD, BOURNVILLE) TPO 2012
tree-preservation-order: undefined
TPO 1432
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.939518 52.425686,-1.939443 52.425521,-1.939339 52.425348,-1.938950 52.425383,-1.938950 52.425427,-1.938963 52.425476,-1.939192 52.425456,-1.939384 52.425701,-1.939518 52.425686)))
point: POINT (-1.939272 52.425492)
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.