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: 696
name: THE BIRMINGHAM (130 ROSEMARY HILL ROAD, SUTTON COLDFIELD) TPO 1995
tree-preservation-order: undefined
TPO 696
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.858326 52.596949,-1.858483 52.596780,-1.858654 52.596537,-1.858655 52.596454,-1.858631 52.596425,-1.858434 52.596317,-1.858154 52.596126,-1.857531 52.596551,-1.858301 52.596982,-1.858326 52.596949)))
point: POINT (-1.858156 52.596546)
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.