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: 243
name: THE BIRMINGHAM (LAND ADJOINING THE MANOR, MANOR DRIVE, SUTTON COLDFIELD) TPO 1977
tree-preservation-order: undefined
TPO 243
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.830691 52.561136,-1.830568 52.561072,-1.830194 52.561068,-1.829634 52.561081,-1.829640 52.561218,-1.829755 52.561216,-1.829998 52.561243,-1.830046 52.561253,-1.830146 52.561291,-1.830200 52.561300,-1.830364 52.561302,-1.830540 52.561269,-1.830642 52.561210,-1.830672 52.561174,-1.830691 52.561136)))
point: POINT (-1.830178 52.561169)
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.