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: 55
name: THE BIRMINGHAM (76 SALISBURY ROAD, MOSELEY) TPO 1968
tree-preservation-order: undefined
TPO 55
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.894222 52.449514,-1.894521 52.449605,-1.894788 52.449618,-1.894760 52.449581,-1.894765 52.449571,-1.894799 52.449550,-1.894840 52.449540,-1.895743 52.449401,-1.895474 52.449023,-1.895345 52.448866,-1.894884 52.449062,-1.894660 52.448988,-1.894410 52.448809,-1.894399 52.448814,-1.894261 52.448725,-1.894294 52.448821,-1.894292 52.448902,-1.894222 52.449514)))
point: POINT (-1.894874 52.449241)
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.