Tree preservation zone

There is a problem

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

reference: TPO204
name: Bonby Hall
tree-preservation-order: undefined
The Village, Bonby, 1960
tree-preservation-zone-type: group
geometry: MULTIPOLYGON (((-0.486711 53.627552,-0.486758 53.627556,-0.486824 53.627547,-0.486865 53.627534,-0.486919 53.627508,-0.486950 53.627490,-0.486951 53.627486,-0.486561 53.627133,-0.486531 53.627110,-0.486486 53.627096,-0.486383 53.627097,-0.486365 53.627099,-0.486254 53.627124,-0.486004 53.627175,-0.485776 53.627211,-0.485441 53.627256,-0.485467 53.627322,-0.485517 53.627400,-0.485607 53.627460,-0.485705 53.627465,-0.485797 53.627444,-0.486220 53.627300,-0.486240 53.627298,-0.486296 53.627297,-0.486341 53.627306,-0.486394 53.627321,-0.486438 53.627344,-0.486476 53.627367,-0.486506 53.627390,-0.486565 53.627431,-0.486616 53.627486,-0.486653 53.627523,-0.486711 53.627552)))
point: POINT (-0.486211 53.627307)
notes
entry-date: 1960-06-07
start-date: 1960-02-26
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.