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: 211
name: THE BIRMINGHAM (ERDINGTON ABBEY STATION ROAD, ERDINGTON) TPO 1975
tree-preservation-order: undefined
TPO 211
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.838700 52.527673,-1.838341 52.527594,-1.838265 52.527800,-1.838180 52.527964,-1.838111 52.527963,-1.838106 52.527969,-1.837976 52.527944,-1.837979 52.527796,-1.837934 52.527722,-1.837890 52.527817,-1.837579 52.528018,-1.837063 52.528371,-1.837089 52.528387,-1.837804 52.528457,-1.837745 52.528621,-1.838639 52.528792,-1.838773 52.528831,-1.838842 52.528741,-1.838851 52.528741,-1.839148 52.528101,-1.839304 52.527806,-1.838700 52.527673)))
point: POINT (-1.838342 52.528214)
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.