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: 1249
name: THE BIRMINGHAM (CHALFORD FOOTPATH, BELWELL LANE TO THE FORDROUGH, SUTTON COLDFIELD) TPO 2008
tree-preservation-order: undefined
TPO 1249
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.833088 52.583780,-1.833236 52.583951,-1.834006 52.584745,-1.834282 52.585084,-1.834414 52.585044,-1.834334 52.584947,-1.834231 52.584848,-1.834131 52.584702,-1.833899 52.584473,-1.833729 52.584262,-1.833387 52.583973,-1.833284 52.583848,-1.833290 52.583810,-1.833238 52.583749,-1.833088 52.583780)))
point: POINT (-1.833765 52.584419)
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.