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: 580
name: THE BIRMINGHAM (WOOD END HALL) TPO 1992
tree-preservation-order: undefined
TPO 580
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.841402 52.516436,-1.841424 52.516609,-1.841877 52.516828,-1.841956 52.516824,-1.842014 52.517241,-1.842553 52.517135,-1.843160 52.517072,-1.843227 52.517053,-1.843248 52.517034,-1.843259 52.517009,-1.843242 52.516976,-1.843107 52.516852,-1.843058 52.516771,-1.843035 52.516711,-1.843006 52.516420,-1.842989 52.516394,-1.842987 52.516370,-1.842704 52.516394,-1.842688 52.516331,-1.841402 52.516436)))
point: POINT (-1.842381 52.516738)
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.