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: 986
name: THE BIRMINGHAM (LAND ADJACENT TO 21 PENDEEN ROAD TO REAR OF 7 - 15 JANICE GROVE, BILLESLEY) TPO 2004
tree-preservation-order: undefined
TPO 986
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.870234 52.416477,-1.870135 52.416329,-1.870141 52.416220,-1.870156 52.416145,-1.870185 52.416067,-1.870227 52.416013,-1.870213 52.415847,-1.870202 52.415808,-1.870209 52.415777,-1.870203 52.415722,-1.870140 52.415712,-1.869961 52.415714,-1.869742 52.415675,-1.869703 52.415695,-1.869694 52.415705,-1.869694 52.415918,-1.869717 52.415979,-1.869781 52.416268,-1.869783 52.416361,-1.869802 52.416428,-1.870127 52.416458,-1.870234 52.416477)))
point: POINT (-1.869961 52.416047)
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.