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: 32
name: THE BIRMINGHAM (SITE ADJOINING ST. NICOLAS CHURCH, REAR OF PERSHORE ROAD, KINGS NORTON) TPO 1970
tree-preservation-order: undefined
TPO 32
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.931904 52.409005,-1.931761 52.408667,-1.931813 52.408622,-1.931587 52.408058,-1.931866 52.408064,-1.932489 52.408016,-1.932488 52.407833,-1.931390 52.407866,-1.931360 52.407573,-1.931218 52.407570,-1.930872 52.407582,-1.930595 52.407573,-1.930583 52.407583,-1.930422 52.407584,-1.930382 52.407639,-1.930268 52.407703,-1.930327 52.407777,-1.930462 52.407980,-1.930467 52.408020,-1.930448 52.408047,-1.930233 52.408045,-1.930147 52.408131,-1.929868 52.408208,-1.929983 52.408390,-1.930080 52.408624,-1.930137 52.408779,-1.930150 52.408835,-1.930714 52.408772,-1.930960 52.408752,-1.931144 52.409155,-1.931904 52.409005)))
point: POINT (-1.931042 52.408301)
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.