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: 290
name: THE BIRMINGHAM (NO. 1 HARTOPP ROAD, FOUR OAKS, SUTTON COLDFIELD) TPO 1979
tree-preservation-order: undefined
TPO 290
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.836106 52.583102,-1.836051 52.583133,-1.836801 52.583414,-1.836523 52.583937,-1.836983 52.584058,-1.837060 52.584042,-1.837175 52.583991,-1.838310 52.583335,-1.838310 52.583317,-1.838319 52.583310,-1.838368 52.583282,-1.838406 52.583282,-1.838450 52.583255,-1.837207 52.582447,-1.836106 52.583102)))
point: POINT (-1.837236 52.583251)
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.