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: 29
name: THE BIRMINGHAM (PARADISE FARM, PARADISE LANE, HALL GREEN) TPO 1965
tree-preservation-order: undefined
TPO 29
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.855429 52.423689,-1.855193 52.423705,-1.854841 52.423703,-1.854805 52.423694,-1.854625 52.423686,-1.854287 52.423647,-1.854232 52.423785,-1.854159 52.423917,-1.855547 52.424092,-1.855429 52.423689)))
point: POINT (-1.854893 52.423855)
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.