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: 1011
name: THE BIRMINGHAM (61 ST. MARY'S ROW AND LAND ADJOINING 61 & 63 ST. MARY'S ROW, MOSELEY) TPO 2004
tree-preservation-order: undefined
TPO 1011
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.885050 52.446119,-1.885211 52.446485,-1.885110 52.446612,-1.885521 52.446651,-1.885712 52.446365,-1.885959 52.446034,-1.885773 52.446020,-1.885545 52.446029,-1.885268 52.446074,-1.885241 52.446087,-1.885228 52.446113,-1.885192 52.446120,-1.885133 52.446097,-1.885050 52.446119)))
point: POINT (-1.885462 52.446298)
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.