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: 764
name: THE BIRMINGHAM (MONYHULL HALL ROAD ADJACENT MONYHULL COTTAGE, KINGS NORTON) TPO 1997
tree-preservation-order: undefined
TPO 764
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.910176 52.409298,-1.910211 52.409267,-1.910788 52.409031,-1.910956 52.408973,-1.910922 52.408937,-1.909059 52.409319,-1.909295 52.409656,-1.909855 52.409506,-1.910189 52.409991,-1.910569 52.409954,-1.910783 52.409942,-1.910176 52.409298)))
point: POINT (-1.910005 52.409472)
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.