Tree preservation zone

There is a problem

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

reference: TPO161.A1
name: No info.
tree-preservation-order: undefined
TPO161
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-2.860656 53.373008,-2.860638 53.372927,-2.860948 53.372824,-2.860935 53.372731,-2.860959 53.372676,-2.861006 53.372635,-2.861067 53.372616,-2.860870 53.372433,-2.860778 53.372332,-2.860728 53.372316,-2.860638 53.372342,-2.858975 53.372625,-2.858931 53.372647,-2.858858 53.372701,-2.858223 53.373296,-2.857983 53.373340,-2.857349 53.373491,-2.857266 53.373976,-2.857281 53.374336,-2.856882 53.374469,-2.856931 53.374677,-2.856975 53.374826,-2.857055 53.375012,-2.857147 53.375199,-2.857282 53.375409,-2.857491 53.375352,-2.858817 53.374806,-2.858853 53.374728,-2.858820 53.374714,-2.860855 53.374036,-2.860627 53.373880,-2.860482 53.373754,-2.860476 53.373726,-2.860829 53.373624,-2.860799 53.373587,-2.860861 53.373562,-2.861189 53.373476,-2.861177 53.373460,-2.861021 53.373501,-2.860978 53.373474,-2.860656 53.373008)))
point: POINT (-2.858975 53.373789)
notes: The several tree of whatever species situated within area A1 on map.
organisation
entry-date: 1977-05-06
start-date: 1977-11-14
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.