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: 415
name: THE BIRMINGHAM (BELT OF TREES WEST OF FOX HOLLIES ROAD, SUTTON COLDFIELD) TPO 1985
tree-preservation-order: undefined
TPO 415
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.788011 52.545753,-1.786365 52.547582,-1.786279 52.547666,-1.785782 52.548208,-1.784933 52.549163,-1.784932 52.549200,-1.784956 52.549219,-1.784995 52.549231,-1.785039 52.549230,-1.785085 52.549216,-1.785976 52.548227,-1.786356 52.547870,-1.786411 52.547808,-1.786524 52.547622,-1.786888 52.547175,-1.788140 52.545784,-1.788649 52.545128,-1.788639 52.545110,-1.788598 52.545087,-1.788555 52.545088,-1.788011 52.545753)))
point: POINT (-1.786666 52.54734)
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.