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: 859
name: THE BIRMINGHAM (LAND AT VICTORIA JUBILEE ALLOTMENTS, OFF CRICK LANE, HANDSWORTH) TPO 1999
tree-preservation-order: undefined
TPO 859
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.923462 52.506245,-1.923464 52.506331,-1.923436 52.506384,-1.923391 52.506426,-1.923354 52.506446,-1.923257 52.506463,-1.923379 52.506650,-1.923351 52.506784,-1.923031 52.507063,-1.923037 52.507066,-1.922859 52.507214,-1.922834 52.507216,-1.922193 52.507705,-1.922191 52.507721,-1.921277 52.508342,-1.920822 52.508664,-1.920847 52.508668,-1.920836 52.508700,-1.920993 52.508730,-1.921098 52.508760,-1.921390 52.508883,-1.921806 52.509077,-1.922063 52.509164,-1.922244 52.509220,-1.922473 52.509279,-1.922725 52.509333,-1.922931 52.509367,-1.923240 52.509402,-1.923427 52.509413,-1.923746 52.509419,-1.924013 52.509408,-1.924318 52.509377,-1.924505 52.509347,-1.924861 52.509255,-1.924993 52.508800,-1.925392 52.507706,-1.925471 52.507443,-1.925674 52.506953,-1.925821 52.506556,-1.925335 52.506493,-1.925178 52.506448,-1.925180 52.506442,-1.923462 52.506245)))
point: POINT (-1.92366 52.50797)
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.