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: 277
name: THE BIRMINGHAM (LAND REAR OF 418 KINGSBURY ROAD, ERDINGTON) TPO 1978
tree-preservation-order: undefined
TPO 277
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.831791 52.518118,-1.831875 52.518068,-1.831837 52.518040,-1.831948 52.517977,-1.831605 52.517745,-1.831259 52.517854,-1.831355 52.518129,-1.831393 52.518165,-1.831567 52.518250,-1.831791 52.518118)))
point: POINT (-1.831575 52.517988)
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.