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: 631
name: THE BIRMINGHAM (LAND BETWEEN GIPSY LANE AND BROOKVALE PARK ROAD, ERDINGTON) TPO 1993
tree-preservation-order: undefined
TPO 631
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.873690 52.525241,-1.873803 52.525116,-1.873810 52.525085,-1.873703 52.524893,-1.873606 52.524743,-1.873454 52.524477,-1.872629 52.523101,-1.872474 52.523496,-1.872613 52.523501,-1.872608 52.523688,-1.872625 52.523690,-1.872644 52.523759,-1.872646 52.523861,-1.872697 52.523918,-1.872746 52.524007,-1.872772 52.524100,-1.872798 52.524128,-1.872884 52.524305,-1.872988 52.524477,-1.873428 52.525147,-1.873157 52.525210,-1.873236 52.525343,-1.873278 52.525326,-1.873690 52.525241)))
point: POINT (-1.873138 52.524333)
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.