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: 150
name: THE BIRMINGHAM (154-158 MIDDLETON HALL ROAD, KING'S NORTON) TPO1972
tree-preservation-order: undefined
TPO 150
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.943785 52.416063,-1.943967 52.416064,-1.943995 52.415361,-1.943298 52.415349,-1.943284 52.415574,-1.943270 52.416165,-1.943782 52.416179,-1.943785 52.416063)))
point: POINT (-1.943621 52.41575)
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.