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: TPO1952_001WFD_W_021
name: W21
tree-preservation-order: undefined
TPO1952_001WFD
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((-1.682044 53.880546,-1.682356 53.880462,-1.682419 53.880414,-1.682446 53.880368,-1.682471 53.880393,-1.682578 53.880151,-1.682673 53.880036,-1.682760 53.879952,-1.683015 53.879645,-1.683041 53.879587,-1.683046 53.879549,-1.683031 53.879484,-1.682999 53.879400,-1.682976 53.879371,-1.682917 53.879339,-1.682785 53.879309,-1.682432 53.879304,-1.682129 53.879272,-1.681874 53.879273,-1.681568 53.879255,-1.681378 53.879281,-1.681201 53.879276,-1.681080 53.879299,-1.680863 53.879363,-1.680595 53.879454,-1.680462 53.879508,-1.680486 53.879585,-1.680483 53.879727,-1.680410 53.880087,-1.680328 53.880146,-1.680388 53.880214,-1.680385 53.880256,-1.680372 53.880294,-1.680384 53.880378,-1.680393 53.880397,-1.680441 53.880434,-1.680587 53.880517,-1.680696 53.880550,-1.680799 53.880536,-1.680897 53.880558,-1.681940 53.880557,-1.682044 53.880546)))
point: POINT (-1.681624 53.879895)
notes
entry-date: 2026-02-12
start-date: 1952-01-25
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.