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: 787
name: THE BIRMINGHAM (ST. GEORGE'S BARRACKS, RECTORY ROAD, SUTTON COLDFIELD) TPO 1998
tree-preservation-order: undefined
TPO 787
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.799075 52.570081,-1.799726 52.569760,-1.799565 52.569531,-1.799413 52.569585,-1.799097 52.569647,-1.798274 52.569969,-1.796918 52.568695,-1.796247 52.568940,-1.795878 52.568949,-1.794095 52.567243,-1.792346 52.567648,-1.792255 52.567622,-1.791367 52.567843,-1.789610 52.568211,-1.789558 52.568487,-1.792506 52.569556,-1.792718 52.569647,-1.793118 52.569851,-1.793274 52.569944,-1.793584 52.570162,-1.793735 52.570280,-1.793974 52.570490,-1.795293 52.571742,-1.795593 52.572023,-1.795629 52.572048,-1.796586 52.572953,-1.797703 52.572341,-1.798229 52.572718,-1.798511 52.572574,-1.797953 52.572206,-1.799000 52.571637,-1.798736 52.571460,-1.798695 52.571396,-1.798665 52.571311,-1.798629 52.570974,-1.798594 52.569972,-1.799075 52.570081)))
point: POINT (-1.795103 52.56984)
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.