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: 1216
name: THE BIRMINGHAM (16 & 22 OLD CHURCH ROAD, HARBORNE) TPO 2007
tree-preservation-order: undefined
TPO 1216
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.960239 52.454229,-1.960360 52.454047,-1.960377 52.453997,-1.960465 52.453862,-1.960415 52.453840,-1.960289 52.453821,-1.959890 52.453762,-1.959806 52.453763,-1.959745 52.453783,-1.959692 52.453809,-1.959661 52.453834,-1.959621 52.453884,-1.959530 52.454052,-1.960239 52.454229)))
point: POINT (-1.960005 52.453973)
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.