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: 634
name: THE BIRMINGHAM (BRANDON COURT 188 WEST HEATH ROAD, NORTHFIELD) TPO 1993 (VARIATION ORDER 2004)
tree-preservation-order: undefined
TPO 634
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.962504 52.401963,-1.962502 52.401896,-1.962522 52.401896,-1.962516 52.401569,-1.962026 52.401550,-1.962024 52.401560,-1.961803 52.401553,-1.961803 52.401563,-1.961659 52.401551,-1.961635 52.401931,-1.962504 52.401963)))
point: POINT (-1.962085 52.401753)
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.