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: 107
name: THE BIRMINGHAM (BLUE COAT SCHOOL, 218 - 256 HARBORNE ROAD, EDGBASTON) TPO 1976
tree-preservation-order: undefined
TPO 107
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.939966 52.462478,-1.941057 52.462096,-1.941514 52.461926,-1.941206 52.461677,-1.940993 52.461490,-1.940833 52.461386,-1.939889 52.461464,-1.938949 52.462172,-1.939059 52.462257,-1.939071 52.462285,-1.939222 52.462421,-1.939527 52.462633,-1.939966 52.462478)))
point: POINT (-1.940174 52.461962)
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.