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: 1346
name: THE BIRMINGHAM (14-20 BENNETT ROAD, SUTTON COLDFIELD) TPO 2010
tree-preservation-order: undefined
TPO 1346
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.853853 52.591584,-1.853737 52.591621,-1.853649 52.591637,-1.853429 52.591644,-1.853305 52.591630,-1.852999 52.592147,-1.853721 52.592591,-1.854417 52.592002,-1.853853 52.591584)))
point: POINT (-1.853679 52.592044)
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.