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: 1049
name: THE BIRMINGHAM (42 MALLARD CLOSE AND 103 AND 105 OXFORD ROAD, ACOCKS GREEN) TPO 2005
tree-preservation-order: undefined
TPO 1049
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.820047 52.448473,-1.820071 52.448478,-1.820392 52.448121,-1.820491 52.448112,-1.820396 52.447933,-1.820072 52.448019,-1.820100 52.448054,-1.820122 52.448065,-1.820163 52.448066,-1.820211 52.448135,-1.820153 52.448140,-1.819995 52.448320,-1.819997 52.448328,-1.819907 52.448424,-1.820047 52.448473)))
point: POINT (-1.820205 52.448187)
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.