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: 1306
name: THE BIRMINGHAM (MINWORTHI INDUSTRIAL PARK, SUTTON COLDFIELD) TPO 2009
tree-preservation-order: undefined
TPO 1306
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.779739 52.528715,-1.779622 52.528559,-1.779432 52.528643,-1.779110 52.528802,-1.778716 52.529041,-1.778501 52.529191,-1.778363 52.529298,-1.776761 52.530559,-1.776679 52.530688,-1.776671 52.530742,-1.776744 52.530745,-1.776829 52.530735,-1.776851 52.530715,-1.776938 52.530567,-1.778971 52.529122,-1.779449 52.528841,-1.779739 52.528715)))
point: POINT (-1.778268 52.529527)
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.