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: 1001
name: THE BIRMINGHAM (THE RECTORY, RECTORY ROAD, NORTHFIELD) TPO 2004
tree-preservation-order: undefined
TPO 1001
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.963895 52.412765,-1.963642 52.412423,-1.963549 52.412437,-1.963389 52.412480,-1.963363 52.412494,-1.963353 52.412510,-1.963323 52.412609,-1.963318 52.412726,-1.963357 52.412910,-1.963829 52.412782,-1.963837 52.412794,-1.963869 52.412786,-1.963860 52.412773,-1.963895 52.412765)))
point: POINT (-1.963556 52.412667)
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.