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: 541
name: THE BIRMINGHAM (YEWCROFT SCHOOL COURT OAK ROAD, HARBORNE) TPO 1989
tree-preservation-order: undefined
TPO 541
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.967973 52.459753,-1.967897 52.459209,-1.968971 52.459185,-1.968970 52.458987,-1.968921 52.458576,-1.968816 52.457881,-1.968798 52.457862,-1.968794 52.457844,-1.968769 52.457631,-1.968184 52.457510,-1.968075 52.457370,-1.968010 52.457364,-1.967852 52.457398,-1.967781 52.457401,-1.967536 52.457354,-1.967459 52.457839,-1.967418 52.458219,-1.966162 52.458164,-1.966070 52.458150,-1.966035 52.458135,-1.965786 52.458085,-1.965808 52.458157,-1.965878 52.458195,-1.965775 52.458293,-1.965918 52.458606,-1.965932 52.458610,-1.966098 52.458949,-1.966105 52.458951,-1.966122 52.458989,-1.966129 52.459058,-1.966193 52.459199,-1.966204 52.459197,-1.966417 52.459683,-1.966434 52.459707,-1.966487 52.459734,-1.966523 52.459740,-1.967973 52.459753)))
point: POINT (-1.967511 52.458657)
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.