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: TPO1960_003AIR_A_019
name: A19
tree-preservation-order: undefined
TPO1960_003AIR
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.693621 53.844421,-1.693468 53.843336,-1.692903 53.843395,-1.692198 53.843446,-1.691311 53.843492,-1.690706 53.843532,-1.690810 53.844497,-1.690809 53.844586,-1.690779 53.844640,-1.690667 53.844693,-1.690587 53.844717,-1.690486 53.844717,-1.690435 53.844794,-1.690384 53.844812,-1.689982 53.844829,-1.689760 53.844780,-1.689549 53.844774,-1.689196 53.844779,-1.689015 53.844808,-1.688813 53.844879,-1.688852 53.845022,-1.689150 53.845231,-1.689433 53.845411,-1.689615 53.845358,-1.689868 53.845222,-1.690100 53.845145,-1.690422 53.845146,-1.690935 53.845278,-1.691095 53.845451,-1.691113 53.845677,-1.690962 53.845754,-1.690870 53.845844,-1.690840 53.845945,-1.690808 53.846106,-1.692589 53.846426,-1.692599 53.846402,-1.692680 53.846366,-1.692790 53.846444,-1.692830 53.846456,-1.692973 53.846188,-1.692984 53.846063,-1.692965 53.845962,-1.693006 53.845891,-1.693087 53.845778,-1.693229 53.845641,-1.693453 53.845397,-1.693595 53.845213,-1.693676 53.845082,-1.693717 53.844999,-1.693728 53.844856,-1.693689 53.844731,-1.693649 53.844659,-1.693609 53.844617,-1.693621 53.844421)))
point: POINT (-1.691937 53.844812)
notes
entry-date: 2026-02-12
start-date: 1963-07-14
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.