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: 28
name: THE BIRMINGHAM (THE MORELANDS, WEST HEATH) TPO 1958
tree-preservation-order: undefined
TPO 28
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.963097 52.403209,-1.963167 52.403383,-1.963669 52.403354,-1.963986 52.403345,-1.963987 52.403280,-1.964040 52.403074,-1.964051 52.402926,-1.964102 52.402745,-1.964109 52.402682,-1.964049 52.402657,-1.964057 52.402615,-1.964057 52.402506,-1.964097 52.402344,-1.964105 52.402234,-1.964061 52.402033,-1.963922 52.402057,-1.963066 52.402148,-1.962596 52.402170,-1.962416 52.402195,-1.962069 52.402203,-1.961959 52.402193,-1.961755 52.402200,-1.961833 52.402257,-1.961975 52.402336,-1.962142 52.402447,-1.962282 52.402581,-1.962465 52.402825,-1.962622 52.403093,-1.962668 52.403119,-1.962702 52.403123,-1.963044 52.403076,-1.963097 52.403209)))
point: POINT (-1.96323 52.402655)
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.