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: 442
name: THE BIRMINGHAM (LAND AT 91-93 REDNAL ROAD, KING'S NORTON) TPO 1987
tree-preservation-order: undefined
TPO 442
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.936237 52.403639,-1.936016 52.403363,-1.935729 52.402933,-1.935700 52.402876,-1.934776 52.403360,-1.935125 52.404066,-1.934878 52.404141,-1.934940 52.404206,-1.935220 52.404132,-1.935480 52.404046,-1.935201 52.403436,-1.935525 52.403289,-1.935852 52.403872,-1.936025 52.403779,-1.936237 52.403639)))
point: POINT (-1.935458 52.403501)
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.