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: 845
name: THE BIRMINGHAM (19 - 21 OXFORD ROAD, MOSELEY) TPO 1999
tree-preservation-order: undefined
TPO 845
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.884682 52.444382,-1.885018 52.444300,-1.884933 52.444233,-1.884719 52.444088,-1.884491 52.444161,-1.884481 52.444151,-1.884260 52.444229,-1.883724 52.444393,-1.883851 52.444506,-1.884200 52.444416,-1.884240 52.444489,-1.884682 52.444382)))
point: POINT (-1.884405 52.444313)
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.