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: TPO1996_007_W_003
name: W3
tree-preservation-order: undefined
TPO1996_007
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((-1.699950 53.813691,-1.700200 53.813697,-1.700320 53.813685,-1.701109 53.813539,-1.701437 53.813473,-1.701513 53.813451,-1.701686 53.813362,-1.701772 53.813288,-1.701795 53.813233,-1.701799 53.813168,-1.701803 53.813057,-1.701787 53.812975,-1.701729 53.812877,-1.701656 53.812819,-1.701319 53.813298,-1.701209 53.813371,-1.701101 53.813407,-1.700339 53.813538,-1.699950 53.813691)))
point: POINT (-1.701179 53.813354)
notes
entry-date: 2026-02-12
start-date: 1996-02-21
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.