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: TPO2015_009_W_001
name: W1
tree-preservation-order: undefined
TPO2015_009
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((-1.430959 53.838824,-1.430927 53.838837,-1.430919 53.838855,-1.430922 53.838872,-1.430936 53.838885,-1.430986 53.838909,-1.431028 53.838915,-1.431083 53.838909,-1.431286 53.838848,-1.431456 53.838747,-1.431556 53.838699,-1.431618 53.838680,-1.431709 53.838674,-1.431781 53.838657,-1.431828 53.838593,-1.431863 53.838567,-1.432008 53.838494,-1.432168 53.838426,-1.432223 53.838389,-1.432292 53.838330,-1.432328 53.838313,-1.432323 53.838278,-1.432285 53.838252,-1.432207 53.838245,-1.432130 53.838249,-1.432064 53.838266,-1.431989 53.838298,-1.431566 53.838528,-1.431419 53.838577,-1.431261 53.838669,-1.431178 53.838705,-1.430959 53.838824)))
point: POINT (-1.431644 53.838575)
notes
entry-date: 2026-02-12
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.