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: 285
name: THE BIRMINGHAM (34 STREETLY LANE, SUTTON COLDFIELD) TPO 1979
tree-preservation-order: undefined
TPO 285
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.848241 52.587800,-1.848109 52.588024,-1.847983 52.588197,-1.847420 52.588063,-1.847135 52.588332,-1.846792 52.588210,-1.846595 52.588412,-1.846556 52.588393,-1.846503 52.588443,-1.846848 52.588604,-1.846982 52.588476,-1.847200 52.588593,-1.846608 52.589132,-1.846621 52.589139,-1.847123 52.588681,-1.847472 52.588845,-1.848009 52.588344,-1.848059 52.588293,-1.848175 52.588143,-1.848227 52.588068,-1.848346 52.587822,-1.848241 52.587800)))
point: POINT (-1.847432 52.588391)
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.