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: 342
name: THE BIRMINGHAM (SITE ADJACENT TO NO 37 & NO 37 CHURCH ROAD, BOLDMERE, SUTTON COLDFIELD) TPO 1981
tree-preservation-order: undefined
TPO 342
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.840880 52.541217,-1.840622 52.540896,-1.840516 52.540839,-1.840469 52.540868,-1.840166 52.541008,-1.840443 52.541342,-1.840880 52.541217)))
point: POINT (-1.840518 52.541097)
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.