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: 885
name: THE BIRMINGHAM (ST. MICHAEL'S CHURCH AND VICARAGE, BOLDMERE) TPO 1999
tree-preservation-order: undefined
TPO 885
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.840857 52.543082,-1.840898 52.543068,-1.840257 52.542244,-1.841495 52.541872,-1.841018 52.541360,-1.840881 52.541338,-1.838416 52.542033,-1.838410 52.542054,-1.838772 52.542421,-1.838977 52.542646,-1.839191 52.542966,-1.839531 52.543531,-1.840857 52.543082)))
point: POINT (-1.839932 52.542355)
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.