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: 819
name: THE BIRMINGHAM (247-249 BOLDMERE ROAD, SUTTON COLDFIELD) TPO 1999
tree-preservation-order: undefined
TPO 819
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.837416 52.542194,-1.838088 52.542006,-1.838130 52.541989,-1.838138 52.541974,-1.838130 52.541953,-1.837983 52.541774,-1.837225 52.541928,-1.837416 52.542194)))
point: POINT (-1.837682 52.541974)
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.