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: 1068
name: THE BIRMINGHAM (LAND TO THE SIDE OF 347 SPRINGFIELD ROAD, SUTTON COLDFIELD) TPO 2005
tree-preservation-order: undefined
TPO 1068
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.781379 52.563631,-1.781633 52.563757,-1.781992 52.563723,-1.781940 52.563517,-1.781941 52.563494,-1.781866 52.563486,-1.781661 52.563442,-1.781379 52.563631)))
point: POINT (-1.781718 52.563611)
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.