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: 588
name: THE BIRMINGHAM (CANNON HILL HOUSE CANNON HILL PARK, EDGBASTON) TPO 1992
tree-preservation-order: undefined
TPO 588
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.900302 52.451226,-1.900418 52.451235,-1.900544 52.451213,-1.900618 52.451190,-1.900649 52.451174,-1.900724 52.451088,-1.900794 52.451073,-1.900814 52.451052,-1.901187 52.451026,-1.901378 52.450981,-1.901450 52.450956,-1.901484 52.450958,-1.901559 52.450806,-1.901591 52.450651,-1.901597 52.450409,-1.901576 52.450332,-1.901550 52.450162,-1.901653 52.450157,-1.901665 52.450103,-1.901718 52.450111,-1.901750 52.450070,-1.901719 52.450022,-1.901792 52.449955,-1.901834 52.449878,-1.900818 52.449746,-1.900617 52.450340,-1.900298 52.450306,-1.899765 52.450230,-1.899659 52.450527,-1.900454 52.450606,-1.900518 52.450598,-1.900302 52.451226)))
point: POINT (-1.90091 52.450459)
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.