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: 247
name: THE BIRMINGHAM (LAND AT REAR OF 110 ROSEMARY HILL ROAD, SUTTON COLDFIELD) TPO 1977
tree-preservation-order: undefined
TPO 247
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.857705 52.594913,-1.857934 52.595061,-1.858038 52.594995,-1.858203 52.595094,-1.858409 52.595220,-1.858308 52.595281,-1.858536 52.595418,-1.858868 52.595182,-1.859250 52.595406,-1.859261 52.595399,-1.859361 52.595453,-1.859517 52.595561,-1.859599 52.595468,-1.858812 52.595001,-1.859052 52.594820,-1.859055 52.594808,-1.859314 52.594494,-1.859276 52.594471,-1.859422 52.594342,-1.859086 52.594148,-1.858899 52.594232,-1.858854 52.594206,-1.857705 52.594913)))
point: POINT (-1.858678 52.594803)
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.