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_026
name: W26
tree-preservation-order: undefined
TPO1952_001WFD
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((-1.641198 53.875021,-1.641744 53.874834,-1.642296 53.874627,-1.642687 53.874469,-1.642911 53.874364,-1.643379 53.874092,-1.643512 53.874007,-1.643585 53.873942,-1.643714 53.873792,-1.643716 53.873724,-1.643625 53.873583,-1.643491 53.873474,-1.643332 53.873360,-1.643117 53.873293,-1.642858 53.873229,-1.642580 53.873191,-1.642343 53.873194,-1.641994 53.873232,-1.641722 53.873267,-1.641374 53.873329,-1.640969 53.873418,-1.640581 53.873515,-1.640118 53.873659,-1.639922 53.874589,-1.639960 53.874578,-1.641198 53.875021)))
point: POINT (-1.641715 53.874023)
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.