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_008_A_001
name: A1
tree-preservation-order: undefined
TPO1995_008
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.630313 53.747411,-1.630299 53.747529,-1.630330 53.747818,-1.630326 53.747853,-1.630299 53.747897,-1.630227 53.747980,-1.629955 53.748265,-1.630043 53.748297,-1.629943 53.748409,-1.632700 53.749276,-1.632885 53.749079,-1.633295 53.749214,-1.633580 53.749246,-1.633653 53.749022,-1.633798 53.748439,-1.632805 53.747961,-1.632023 53.747531,-1.631301 53.747155,-1.630888 53.746949,-1.630747 53.746882,-1.630605 53.746826,-1.630238 53.746706,-1.630255 53.746799,-1.630314 53.746966,-1.630323 53.747036,-1.630323 53.747341,-1.630313 53.747411)))
point: POINT (-1.631768 53.748188)
notes
entry-date: 2026-02-12
start-date: 1995-01-23
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.