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: 624
name: THE BIRMINGHAM (FORMER COPSONS SITE, SPRING LANE/KINGSBURY ROAD, ERDINGTON) TPO 1993
tree-preservation-order: undefined
TPO 624
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.832572 52.518615,-1.832547 52.518486,-1.832900 52.518544,-1.832911 52.518526,-1.833145 52.518396,-1.833437 52.518348,-1.833474 52.518224,-1.833493 52.518211,-1.833536 52.517962,-1.833530 52.517877,-1.833511 52.517833,-1.833451 52.517762,-1.833254 52.517574,-1.832924 52.517292,-1.832882 52.517278,-1.832816 52.517271,-1.832652 52.517293,-1.832710 52.517462,-1.832369 52.517637,-1.832473 52.517713,-1.831948 52.517977,-1.831605 52.517745,-1.831259 52.517854,-1.831355 52.518129,-1.831393 52.518165,-1.832338 52.518625,-1.832572 52.518615)))
point: POINT (-1.832559 52.518027)
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.