Tree preservation zone

There is a problem

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

reference: TPO100
name: South of High Santon Villas
tree-preservation-order: undefined
Appleby 1985 Order Burnt Strip No.2
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((-0.592410 53.595519,-0.592147 53.595267,-0.591847 53.594984,-0.591778 53.594921,-0.591699 53.594845,-0.591526 53.594685,-0.591085 53.594268,-0.591264 53.593918,-0.590396 53.593399,-0.589841 53.593435,-0.589781 53.593474,-0.589757 53.593494,-0.589746 53.593512,-0.589746 53.593572,-0.589776 53.593665,-0.589795 53.593716,-0.589811 53.593751,-0.589845 53.593815,-0.589901 53.593910,-0.589929 53.593948,-0.589985 53.594006,-0.590066 53.594085,-0.590132 53.594153,-0.590165 53.594190,-0.590352 53.594387,-0.590365 53.594406,-0.590499 53.594524,-0.590551 53.594572,-0.590602 53.594622,-0.590660 53.594671,-0.590733 53.594724,-0.590790 53.594756,-0.590898 53.594855,-0.591864 53.595718,-0.592410 53.595519)))
point: POINT (-0.590962 53.594445)
notes
entry-date: 1985-04-10
start-date: 1985-02-21
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.