Tree preservation zone

There is a problem

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

reference: TPO196.A1
name: Land at the juction of Mill Bank and Queens Drive (West Derby) comprising the sites of Beechwood, Elmsleigh and the Blessed Ambrose Barlow Secondary School, L12
tree-preservation-order: undefined
TPO196
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-2.917097 53.426118,-2.917256 53.426268,-2.917298 53.426280,-2.917374 53.426341,-2.917400 53.426352,-2.917362 53.426378,-2.917350 53.426412,-2.917359 53.426443,-2.917381 53.426471,-2.917527 53.426578,-2.917641 53.426646,-2.917903 53.426785,-2.918031 53.426833,-2.918230 53.426874,-2.918469 53.426896,-2.918433 53.426699,-2.918365 53.426513,-2.918339 53.426083,-2.918469 53.426059,-2.918449 53.426047,-2.918065 53.425661,-2.918084 53.425655,-2.917521 53.425100,-2.916435 53.425502,-2.917097 53.426118)))
point: POINT (-2.917604 53.425962)
notes: The several tree of whatever species situated within area A1 on map.
organisation
entry-date: 1987-02-17
start-date: 1987-04-27
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.