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: TPO1976_012_W_001
name: W1
tree-preservation-order: undefined
TPO1976_012
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((-1.437472 53.765918,-1.438003 53.765816,-1.438140 53.765798,-1.438339 53.765785,-1.438547 53.765793,-1.438688 53.765809,-1.439086 53.765886,-1.439218 53.765713,-1.439254 53.765677,-1.439345 53.765622,-1.439552 53.765538,-1.439642 53.765485,-1.439964 53.765216,-1.440073 53.765112,-1.440147 53.765025,-1.440169 53.764977,-1.440172 53.764948,-1.440164 53.764910,-1.440134 53.764878,-1.440140 53.764871,-1.439893 53.764800,-1.439758 53.764825,-1.439694 53.764850,-1.439557 53.764886,-1.438961 53.764911,-1.438871 53.764935,-1.438670 53.765008,-1.438378 53.765132,-1.438011 53.765383,-1.437917 53.765436,-1.437628 53.765538,-1.437216 53.765612,-1.437305 53.765777,-1.437355 53.765785,-1.437398 53.765814,-1.437428 53.765847,-1.437472 53.765918)))
point: POINT (-1.438823 53.765383)
notes
entry-date: 2026-02-12
start-date: 1976-12-06
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.