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: TPO1983_008_W_001
name: W1
tree-preservation-order: undefined
TPO1983_008
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((-1.601108 53.720496,-1.601225 53.720434,-1.601280 53.720395,-1.601346 53.720384,-1.601494 53.720396,-1.601609 53.720417,-1.601757 53.720423,-1.601797 53.720289,-1.601770 53.720186,-1.601409 53.719912,-1.601291 53.719882,-1.601193 53.719868,-1.600938 53.719851,-1.600523 53.719860,-1.599909 53.719896,-1.599000 53.719929,-1.598547 53.719992,-1.598491 53.720016,-1.598486 53.720044,-1.598513 53.720091,-1.598736 53.720179,-1.598868 53.720243,-1.599417 53.720268,-1.599769 53.720303,-1.600236 53.720367,-1.600601 53.720434,-1.600801 53.720454,-1.601084 53.720509,-1.601108 53.720496)))
point: POINT (-1.600336 53.720135)
notes
entry-date: 2026-02-12
start-date: 1983-03-17
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.