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: 14
name: THE BIRMINGHAM (FEATHERSTONE ROAD, KINGS HEATH) TPO 1966
tree-preservation-order: undefined
TPO 14
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.897234 52.425475,-1.897583 52.425440,-1.897957 52.425418,-1.897901 52.425250,-1.897704 52.424573,-1.897647 52.424329,-1.897160 52.424492,-1.897212 52.424774,-1.897227 52.424970,-1.897180 52.424975,-1.897186 52.425063,-1.897230 52.425058,-1.897240 52.425189,-1.897207 52.425193,-1.897225 52.425317,-1.897217 52.425318,-1.897234 52.425475)))
point: POINT (-1.897514 52.424959)
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.