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: TPO2000_050_A_001
name: A1
tree-preservation-order: undefined
TPO2000_050
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.663803 53.815122,-1.663857 53.815019,-1.663932 53.814921,-1.664018 53.814829,-1.664112 53.814744,-1.663590 53.814471,-1.663350 53.814624,-1.663361 53.814630,-1.663325 53.814652,-1.663312 53.814646,-1.663095 53.814779,-1.663095 53.814814,-1.662861 53.814944,-1.662526 53.815109,-1.662501 53.815125,-1.662499 53.815141,-1.662518 53.815152,-1.662648 53.815173,-1.663363 53.814816,-1.663503 53.814757,-1.663598 53.814735,-1.663669 53.814740,-1.663725 53.814761,-1.663767 53.814783,-1.663788 53.814817,-1.663784 53.814871,-1.663717 53.815036,-1.663714 53.815072,-1.663727 53.815099,-1.663754 53.815113,-1.663803 53.815122)))
point: POINT (-1.66345 53.814807)
notes
entry-date: 2026-02-12
start-date: 2000-06-29
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.