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: 17
name: THE BIRMINGHAM (GREEN ROAD, MOSELEY) TPO 1965
tree-preservation-order: undefined
TPO 17
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.858601 52.437918,-1.858627 52.437497,-1.858354 52.437495,-1.858300 52.437168,-1.858203 52.437174,-1.858180 52.437170,-1.858160 52.437149,-1.858147 52.437147,-1.857952 52.437160,-1.857689 52.437142,-1.857265 52.437111,-1.857224 52.437104,-1.857237 52.437082,-1.857157 52.437070,-1.856998 52.437067,-1.856422 52.437032,-1.856367 52.436987,-1.856193 52.436901,-1.856032 52.436862,-1.855868 52.436842,-1.855863 52.437011,-1.855835 52.437082,-1.855839 52.437156,-1.855824 52.437277,-1.855820 52.437585,-1.855800 52.437832,-1.855798 52.438072,-1.856409 52.438005,-1.857002 52.437928,-1.858036 52.437889,-1.858601 52.437918)))
point: POINT (-1.857033 52.437514)
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.