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: 38
name: THE BIRMINGHAM (2 KNIGHTLOW ROAD, HARBORNE) TPO 1967
tree-preservation-order: undefined
TPO 38
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.957963 52.467209,-1.957930 52.467816,-1.958268 52.467812,-1.958276 52.467735,-1.958374 52.467728,-1.958541 52.467730,-1.958545 52.467675,-1.958659 52.467678,-1.958634 52.467508,-1.958619 52.467487,-1.958441 52.467404,-1.958429 52.467421,-1.958343 52.467419,-1.958327 52.467357,-1.958313 52.467203,-1.957963 52.467209)))
point: POINT (-1.958227 52.467529)
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.