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: 565
name: THE BIRMINGHAM (330 HAGLEY ROAD, EDGBASTON) TPO 1990
tree-preservation-order: undefined
TPO 565
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.962809 52.473190,-1.962867 52.471965,-1.962520 52.471943,-1.962508 52.472259,-1.962477 52.472261,-1.962469 52.472759,-1.962480 52.472759,-1.962466 52.473171,-1.962809 52.473190)))
point: POINT (-1.962661 52.472565)
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.