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: 784
name: THE BIRMINGHAM (LAND AT 196 HILL VILLAGE ROAD, SUTTON COLDFIELD) TPO NO2 1998
tree-preservation-order: undefined
TPO 784
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.836132 52.597785,-1.836206 52.597888,-1.836857 52.597668,-1.836873 52.597650,-1.836751 52.597596,-1.836573 52.597550,-1.836110 52.597456,-1.836035 52.597450,-1.836008 52.597466,-1.835984 52.597493,-1.835977 52.597517,-1.835981 52.597541,-1.836004 52.597591,-1.836132 52.597785)))
point: POINT (-1.836352 52.597651)
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.