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: 1439
name: THE BIRMINGHAM (27 HAYES GROVE, ERDINGTON) TPO 2012
tree-preservation-order: undefined
TPO 1439
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.815575 52.530295,-1.815481 52.530264,-1.815528 52.530209,-1.815511 52.530203,-1.815536 52.530173,-1.815403 52.530167,-1.815368 52.530177,-1.815328 52.530206,-1.815290 52.530287,-1.815491 52.530389,-1.815575 52.530295)))
point: POINT (-1.815431 52.530267)
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.