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: 19
name: THE BIRMINGHAM (242 HARBORNE PARK ROAD, HARBORNE) TPO 1967
tree-preservation-order: undefined
TPO 19
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.951775 52.452381,-1.952312 52.452221,-1.952532 52.452145,-1.953099 52.451972,-1.953298 52.451931,-1.953306 52.451879,-1.952827 52.451610,-1.952637 52.451709,-1.952208 52.451952,-1.951901 52.451803,-1.951456 52.452054,-1.951600 52.452107,-1.951667 52.452181,-1.951709 52.452246,-1.951775 52.452381)))
point: POINT (-1.952355 52.451993)
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.