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: 419
name: THE BIRMINGHAM (LAND AT HOLDERS LANE, MOSELEY) TPO 1971
tree-preservation-order: undefined
TPO 419
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.907746 52.443349,-1.905906 52.443257,-1.905756 52.443969,-1.905708 52.444157,-1.905158 52.444112,-1.904997 52.444795,-1.905051 52.444798,-1.905062 52.444813,-1.905338 52.444826,-1.905555 52.444828,-1.905938 52.444811,-1.906313 52.444806,-1.906355 52.444818,-1.906738 52.444827,-1.906960 52.444814,-1.906964 52.444820,-1.907451 52.444750,-1.907746 52.443349)))
point: POINT (-1.906494 52.444108)
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.