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: 788
name: THE BIRMINGHAM (LAND BETWEEN 15 WORLDS END ROAD AND 80 HANDSWORTH WOOD ROAD, HANDSWORTH WOOD) TPO 1998
tree-preservation-order: undefined
TPO 788
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.926424 52.518183,-1.926478 52.518023,-1.926521 52.517934,-1.926651 52.517726,-1.926658 52.517703,-1.926642 52.517680,-1.926519 52.517616,-1.926291 52.517776,-1.926242 52.517877,-1.926023 52.518113,-1.926424 52.518183)))
point: POINT (-1.926371 52.517921)
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.