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: 729
name: THE BIRMINGHAM (LAND AT REAR OF PLOUGH AND HARROW PUBLIC HOUSE,SLADE ROAD, ROUGHLEY, SUTTON COLDFIELD) TPO 1996
tree-preservation-order: undefined
TPO 729
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.807599 52.589094,-1.807473 52.588942,-1.807424 52.588843,-1.807302 52.588690,-1.807314 52.588686,-1.807201 52.588499,-1.807144 52.588425,-1.806930 52.588199,-1.806648 52.588260,-1.806572 52.588297,-1.806556 52.588292,-1.805436 52.587791,-1.805123 52.587613,-1.804347 52.588132,-1.805582 52.588743,-1.804427 52.589243,-1.804588 52.589411,-1.804785 52.589644,-1.805014 52.589853,-1.805214 52.589775,-1.805012 52.589616,-1.806092 52.589213,-1.806150 52.589264,-1.806322 52.589444,-1.807386 52.589165,-1.807599 52.589094)))
point: POINT (-1.80587 52.588713)
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.