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: 816
name: THE BIRMINGHAM (JAMES GRACIE CENTRE, WAKE GREEN ROAD, MOSELEY) TPO 1999
tree-preservation-order: undefined
TPO 816
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.877662 52.443541,-1.878234 52.443649,-1.878242 52.443661,-1.878263 52.443666,-1.879011 52.443789,-1.879516 52.443884,-1.879542 52.443877,-1.879572 52.443882,-1.879589 52.443898,-1.879807 52.443934,-1.880236 52.443510,-1.879988 52.443396,-1.880214 52.443182,-1.880173 52.443163,-1.880315 52.443044,-1.879887 52.442841,-1.879587 52.442971,-1.879576 52.442992,-1.879483 52.443041,-1.879378 52.442966,-1.879166 52.443030,-1.878490 52.442709,-1.878221 52.442903,-1.878213 52.442920,-1.878139 52.442983,-1.877874 52.443182,-1.877700 52.443337,-1.877587 52.443461,-1.877635 52.443523,-1.877662 52.443541)))
point: POINT (-1.879031 52.443342)
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.