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: 22
name: THE BIRMINGHAM (SITE OF THE SHRUBBERY, HAMSTEAD HALL ROAD, HANDSWORTH WOOD ) TPO 1963
tree-preservation-order: undefined
TPO 22
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.932896 52.520543,-1.932883 52.520548,-1.933690 52.521076,-1.933799 52.521158,-1.933913 52.521270,-1.933947 52.521292,-1.934122 52.521150,-1.934196 52.521066,-1.934198 52.521010,-1.934181 52.520855,-1.934236 52.520774,-1.934349 52.520700,-1.934531 52.520607,-1.933800 52.520157,-1.932896 52.520543)))
point: POINT (-1.933757 52.520667)
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.