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: 26
name: THE BIRMINGHAM (MIDDLETON HALL ROAD AND FRADLEY CLOSE, KINGS NORTON) TPO 1963
tree-preservation-order: undefined
TPO 26
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.945334 52.415275,-1.945997 52.415256,-1.945970 52.415056,-1.945982 52.415017,-1.946027 52.414951,-1.946024 52.414882,-1.945984 52.414621,-1.945961 52.414574,-1.945926 52.414531,-1.945906 52.414482,-1.945907 52.414394,-1.945883 52.414298,-1.945565 52.414315,-1.945434 52.414313,-1.945350 52.414300,-1.945332 52.414300,-1.945329 52.414309,-1.945225 52.414300,-1.945208 52.414271,-1.945144 52.414250,-1.945056 52.414253,-1.945050 52.414282,-1.944636 52.414278,-1.944620 52.414404,-1.944146 52.414397,-1.944112 52.414917,-1.944094 52.415247,-1.944099 52.415258,-1.945334 52.415275)))
point: POINT (-1.945064 52.414799)
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.