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: 524
name: THE BIRMINGHAM (1 DAVID COX COURT, GREENFIELD ROAD, HARBORNE) TPO 1987
tree-preservation-order: undefined
TPO 524
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.947762 52.457881,-1.947517 52.457607,-1.946924 52.457671,-1.946933 52.457711,-1.946976 52.457716,-1.947001 52.457733,-1.947017 52.457796,-1.946994 52.457829,-1.946962 52.457844,-1.946875 52.457863,-1.946907 52.457900,-1.946984 52.457877,-1.947012 52.457913,-1.947098 52.457885,-1.947158 52.457897,-1.947267 52.458038,-1.947762 52.457881)))
point: POINT (-1.947333 52.457804)
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.