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: 1128
name: THE BIRMINGHAM (768 - 774 PERSHORE ROAD, SELLY PARK) TPO 2006
tree-preservation-order: undefined
TPO 1128
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.915188 52.442969,-1.915231 52.442570,-1.915214 52.442563,-1.915073 52.442556,-1.915033 52.442545,-1.914849 52.442540,-1.914837 52.442634,-1.913886 52.442583,-1.913855 52.442830,-1.913884 52.442879,-1.915188 52.442969)))
point: POINT (-1.914585 52.442757)
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.