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: 271
name: THE BIRMINGHAM (LAND ADJACENT TO CLIFTON ROAD AND RYTON CLOSE, SUTTON COLDFIELD) TPO 1978
tree-preservation-order: undefined
TPO 271
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.830316 52.562679,-1.830372 52.562695,-1.830543 52.562461,-1.830494 52.562455,-1.830371 52.562471,-1.830304 52.562469,-1.830037 52.562411,-1.830009 52.562398,-1.829965 52.562351,-1.829928 52.562337,-1.829793 52.562568,-1.830316 52.562679)))
point: POINT (-1.830153 52.562531)
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.