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: 628
name: THE BIRMINGHAM (LAND ADJOINING 29 FREDERICK ROAD, EDGBASTON) TPO 1993
tree-preservation-order: undefined
TPO 628
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.918579 52.468281,-1.918741 52.468007,-1.918706 52.467974,-1.918949 52.467474,-1.917936 52.467242,-1.917715 52.467669,-1.917694 52.467692,-1.917674 52.467748,-1.917496 52.468039,-1.918579 52.468281)))
point: POINT (-1.918242 52.467766)
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.