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: 128
name: THE BIRMINGHAM (365-369 HAGLEY ROAD, EDGBASTON) TPO 1975
tree-preservation-order: undefined
TPO 128
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.956195 52.473296,-1.956107 52.473286,-1.955977 52.473664,-1.956034 52.473716,-1.956186 52.473744,-1.956664 52.473801,-1.956771 52.473356,-1.956195 52.473296)))
point: POINT (-1.956379 52.473541)
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.