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: 375
name: THE BIRMINGHAM (LAND ADJACENT TO 17 ST BERNARDS ROAD, SUTTON COLDFIELD ) TPO 1982
tree-preservation-order: undefined
TPO 375
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.821989 52.550166,-1.821886 52.549865,-1.821860 52.549840,-1.821796 52.549815,-1.821725 52.549810,-1.820927 52.550346,-1.821064 52.550430,-1.821989 52.550166)))
point: POINT (-1.821529 52.550134)
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.