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: tpo957
name: Snaith No. 1 - 1969
tree-preservation-order: undefined
17
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.027731 53.689927,-1.027777 53.689774,-1.027811 53.689694,-1.027864 53.689639,-1.027959 53.689597,-1.028485 53.689512,-1.028862 53.689613,-1.029107 53.689663,-1.030511 53.689403,-1.030599 53.689351,-1.030642 53.689297,-1.030696 53.689202,-1.030703 53.689168,-1.030758 53.689116,-1.030840 53.689106,-1.031074 53.689114,-1.030972 53.688174,-1.030810 53.686336,-1.028835 53.686325,-1.028843 53.686887,-1.028871 53.687603,-1.028938 53.688489,-1.027684 53.688507,-1.027749 53.689470,-1.027735 53.689556,-1.027653 53.689592,-1.027731 53.689927)))
point: POINT (-1.029615 53.688111)
notes
entry-date: 2026-03-17
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.