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: 288
name: THE BIRMINGHAM (THE DELL, 33, HARTOPP ROAD, FOUR OAKS) TPO 1975
tree-preservation-order: undefined
TPO 288
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.838628 52.575445,-1.837747 52.575905,-1.837534 52.575661,-1.837228 52.575696,-1.837243 52.576073,-1.837282 52.576075,-1.837311 52.576120,-1.837324 52.576426,-1.837338 52.576426,-1.837332 52.576532,-1.837918 52.576552,-1.837951 52.576482,-1.838225 52.576663,-1.839183 52.576100,-1.839415 52.575955,-1.838628 52.575445)))
point: POINT (-1.838214 52.576065)
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.