Tree preservation zone

There is a problem

1000 entries with tree-preservation-order field must match the reference field in the tree preservation order dataset

reference: tpo5
name: Brandesburton Park - 1976
tree-preservation-order: undefined
472
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-0.311500 53.912724,-0.311643 53.910373,-0.311868 53.910389,-0.312032 53.907856,-0.311663 53.907885,-0.308995 53.908138,-0.308876 53.906836,-0.308933 53.906298,-0.308847 53.906205,-0.308559 53.906342,-0.308382 53.906409,-0.308075 53.906509,-0.307186 53.906778,-0.306458 53.907052,-0.306183 53.907177,-0.305939 53.907273,-0.305545 53.907498,-0.305372 53.907560,-0.305339 53.908461,-0.305198 53.909241,-0.304999 53.909687,-0.304886 53.909804,-0.304842 53.909985,-0.305531 53.909984,-0.306889 53.910014,-0.306673 53.910888,-0.306380 53.912308,-0.306322 53.912392,-0.307390 53.912418,-0.307845 53.912382,-0.307867 53.912286,-0.308268 53.912238,-0.308216 53.912612,-0.309032 53.912602,-0.310173 53.912650,-0.311500 53.912724)))
point: POINT (-0.308688 53.90974)
notes
entry-date: 1976-05-11
start-date: 1976-05-11
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.