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: 234
name: THE BIRMINGHAM (126 LICHFIELD ROAD, SUTTON COLDFIELD) TPO 1977
tree-preservation-order: undefined
TPO 234
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.826715 52.575262,-1.826462 52.575041,-1.826494 52.575022,-1.826375 52.574915,-1.825254 52.575439,-1.824657 52.574937,-1.824399 52.575060,-1.824189 52.575175,-1.823941 52.574962,-1.823869 52.574860,-1.823644 52.574960,-1.823758 52.575023,-1.824050 52.575255,-1.823679 52.575501,-1.823165 52.575928,-1.823960 52.576382,-1.824302 52.576163,-1.824641 52.575979,-1.824573 52.575929,-1.824566 52.575916,-1.824573 52.575894,-1.824599 52.575871,-1.824915 52.575700,-1.825026 52.575764,-1.824996 52.575785,-1.825594 52.576138,-1.826150 52.575915,-1.826047 52.575826,-1.826457 52.575651,-1.826500 52.575687,-1.826962 52.575486,-1.826715 52.575262)))
point: POINT (-1.824966 52.575593)
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.