Tree preservation zone

There is a problem

tree-preservation-order column must match the reference field in the tree preservation order dataset

reference: TPO227.A1
name
tree-preservation-order: undefined
TPO227
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-2.892919 53.372294,-2.892988 53.372393,-2.894167 53.372102,-2.894669 53.371981,-2.894489 53.371730,-2.894458 53.371738,-2.894449 53.371734,-2.894388 53.371665,-2.894419 53.371655,-2.894161 53.371366,-2.892852 53.371758,-2.892550 53.371848,-2.892400 53.371891,-2.892247 53.371941,-2.892418 53.372036,-2.892525 53.372092,-2.892636 53.372223,-2.892833 53.372170,-2.892919 53.372294)))
point: POINT (-2.893541 53.3719)
notes: The several tree of whatever species situated within area A1 on map.
entry-date: 1989-08-18
start-date: 1990-03-12
end-date

Your data is missing a tree-preservation-order.

The Tree preservation zone guidance explains how to fix the issue:

The reference for the tree preservation order that covers this zone.