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: 1089
name: THE BIRMINGHAM (SMIRRELLS ROAD, HALL GREEN) TPO 2005
tree-preservation-order: undefined
TPO 1089
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.848342 52.421823,-1.848763 52.422176,-1.849088 52.422032,-1.848533 52.421563,-1.848205 52.421709,-1.848342 52.421823)),((-1.848732 52.421474,-1.849293 52.421943,-1.849516 52.421844,-1.848951 52.421379,-1.848732 52.421474)),((-1.847883 52.421852,-1.847771 52.421903,-1.848321 52.422369,-1.848430 52.422322,-1.847883 52.421852)))
point: POINT (-1.848716 52.42184)
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.