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: 1308
name: THE BIRMINGHAM (8-10 ELIZABETH ROAD, MOSELEY) TPO 2009
tree-preservation-order: undefined
TPO 1308
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.906837 52.440239,-1.907786 52.440096,-1.907798 52.440014,-1.907828 52.439916,-1.907877 52.439823,-1.907932 52.439745,-1.907657 52.439773,-1.907124 52.439979,-1.906746 52.440049,-1.906837 52.440239)))
point: POINT (-1.907372 52.440014)
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.