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: 880
name: THE BIRMINGHAM (LAND AT EDGBASTON GOLF CLUB ADJACENT TO 86 PRIORY ROAD, EDGBASTON) TPO 1999
tree-preservation-order: undefined
TPO 880
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.916358 52.460515,-1.916385 52.460523,-1.916435 52.460466,-1.916584 52.460509,-1.916618 52.460464,-1.916624 52.460450,-1.916620 52.460434,-1.916675 52.460381,-1.916397 52.460291,-1.916256 52.460464,-1.916312 52.460482,-1.916317 52.460502,-1.916358 52.460515)))
point: POINT (-1.91646 52.460413)
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.