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: 1325
name: THE BIRMINGHAM (LAND BETWEEN GREEN ACRES ROAD AND GLENDENE CRESCENT, KINGS NORTON) TPO 2009
tree-preservation-order: undefined
TPO 1325
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.948932 52.395423,-1.948808 52.395445,-1.948775 52.395482,-1.948768 52.395503,-1.948838 52.395710,-1.948829 52.395722,-1.948828 52.395761,-1.948840 52.395761,-1.948882 52.395794,-1.948889 52.395808,-1.948914 52.395895,-1.948909 52.395914,-1.948988 52.396081,-1.949098 52.396355,-1.949179 52.396344,-1.949450 52.396239,-1.949778 52.396065,-1.949659 52.396079,-1.949565 52.396065,-1.949529 52.396050,-1.949261 52.395793,-1.948951 52.395462,-1.948932 52.395423)))
point: POINT (-1.949157 52.395937)
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.