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: 69
name: THE BIRMINGHAM (1 KNIGHTLOW ROAD, HARBORNE) TPO 1967
tree-preservation-order: undefined
TPO 69
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.963038 52.469648,-1.963392 52.469465,-1.963704 52.469315,-1.963736 52.469281,-1.963767 52.469274,-1.963710 52.469181,-1.963735 52.469153,-1.963657 52.469013,-1.962722 52.469267,-1.962746 52.469310,-1.963031 52.469650,-1.963038 52.469648)))
point: POINT (-1.963257 52.469311)
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.