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: 335
name: THE BIRMINGHAM (18-20 WAKE GREEN ROAD, MOSELEY) TPO 1981
tree-preservation-order: undefined
TPO 335
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.881869 52.443858,-1.881828 52.443885,-1.881820 52.443880,-1.881728 52.443941,-1.881508 52.444108,-1.881386 52.444217,-1.881362 52.444261,-1.881366 52.444310,-1.881382 52.444338,-1.881595 52.444500,-1.882371 52.444112,-1.881869 52.443858)))
point: POINT (-1.881808 52.444174)
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.