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: 736
name: THE BIRMINGHAM (THE REAR OF GARDENS 18-34 STAPLEHURST ROAD AND LAND AT THE REAR OF 18-34 STAPLEHURST ROAD AND FERNDALE ROAD, HALL GREEN) TPO 1996
tree-preservation-order: undefined
TPO 736
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.843297 52.433628,-1.843287 52.433618,-1.843271 52.433289,-1.843247 52.433288,-1.843251 52.433242,-1.842844 52.433209,-1.842839 52.433255,-1.842374 52.433217,-1.842313 52.433550,-1.843297 52.433628)))
point: POINT (-1.842824 52.433413)
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.