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: 379
name: THE BIRMINGHAM (THE ROBIN HOOD PUBLIC HOUSE STRATFORD ROAD, HALL GREEN) TPO 1982
tree-preservation-order: undefined
TPO 379
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.836991 52.424059,-1.837621 52.423901,-1.837651 52.423910,-1.837765 52.423882,-1.837784 52.423904,-1.837997 52.423809,-1.838600 52.423639,-1.838357 52.423424,-1.837873 52.423056,-1.837229 52.422594,-1.836850 52.422664,-1.836959 52.422988,-1.836991 52.423186,-1.837018 52.423432,-1.837012 52.423449,-1.836991 52.424059)))
point: POINT (-1.83754 52.423373)
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.