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: 895
name: THE BIRMINGHAM ( LAND TO THE REAR OF 40-86 EASTERN ROAD AND AT 70-72 STATION ROAD, WYLDE GREEN) TPO 2000
tree-preservation-order: undefined
TPO 895
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.831175 52.547375,-1.831228 52.546679,-1.831234 52.546434,-1.831219 52.546314,-1.831206 52.546274,-1.830987 52.545818,-1.830842 52.545840,-1.830923 52.545985,-1.830793 52.546011,-1.830828 52.546077,-1.830896 52.546062,-1.831026 52.546297,-1.831063 52.546417,-1.831067 52.546906,-1.831048 52.547248,-1.831049 52.547401,-1.831175 52.547375)))
point: POINT (-1.83109 52.54655)
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.