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: 468
name: THE BIRMINGHAM (BROADHIDLEY WOODS, OFF ADAMS HILL, BARTLEY GREEN) TPO 1985
tree-preservation-order: undefined
TPO 468
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-2.008400 52.440620,-2.008143 52.440337,-2.008148 52.440316,-2.007225 52.440225,-2.007133 52.440209,-2.007148 52.440188,-2.006913 52.440154,-2.006571 52.440086,-2.006542 52.440087,-2.006120 52.440019,-2.006014 52.440048,-2.005922 52.440720,-2.005909 52.440732,-2.005883 52.440744,-2.005070 52.440915,-2.004832 52.440948,-2.004384 52.441077,-2.004357 52.441216,-2.004663 52.441554,-2.005689 52.441322,-2.005742 52.441106,-2.005879 52.440788,-2.006208 52.440652,-2.007586 52.440884,-2.008400 52.440620)))
point: POINT (-2.006373 52.440711)
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.