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: 1102
name: THE BIRMINGHAM (LAND TO SIDE OF 20 MATH MEADOW, QUINTON) TPO 2005
tree-preservation-order: undefined
TPO 1102
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.976236 52.457308,-1.976170 52.457278,-1.976118 52.457267,-1.976015 52.457351,-1.976038 52.457367,-1.976038 52.457383,-1.976061 52.457415,-1.976095 52.457423,-1.976236 52.457308)))
point: POINT (-1.976118 52.45734)
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.