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: TPO1995_006_A_001
name: A1
tree-preservation-order: undefined
TPO1995_006
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.332538 53.919074,-1.335156 53.919122,-1.335202 53.918362,-1.334159 53.918374,-1.333715 53.918388,-1.333721 53.918662,-1.333381 53.918677,-1.333366 53.918960,-1.332619 53.918945,-1.332625 53.918884,-1.332597 53.918609,-1.332598 53.918543,-1.333528 53.918519,-1.333489 53.918101,-1.333360 53.917363,-1.332417 53.917416,-1.332437 53.917514,-1.332325 53.917519,-1.332370 53.917867,-1.332137 53.918007,-1.332058 53.918082,-1.332042 53.918111,-1.332040 53.918127,-1.332052 53.918160,-1.332097 53.918204,-1.332024 53.918255,-1.332123 53.918319,-1.332143 53.918488,-1.330987 53.918492,-1.330937 53.918688,-1.330794 53.919038,-1.332538 53.919074)))
point: POINT (-1.333063 53.918484)
notes
entry-date: 2026-02-12
start-date: 1995-01-18
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.