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: 1196
name
tree-preservation-order: undefined
Kings Keep Beaufort Road Kingston Upon Thames
tree-preservation-zone-type: T
geometry: MULTIPOLYGON (((-0.302355 51.399412,-0.302356 51.399402,-0.302355 51.399383,-0.302350 51.399367,-0.302342 51.399350,-0.302186 51.399180,-0.302117 51.399207,-0.301872 51.399296,-0.301883 51.399308,-0.301825 51.399325,-0.301803 51.399295,-0.301722 51.399318,-0.301638 51.399339,-0.301648 51.399355,-0.301481 51.399396,-0.301348 51.399468,-0.301266 51.399525,-0.301227 51.399510,-0.301179 51.399565,-0.301272 51.399566,-0.301306 51.399561,-0.301364 51.399540,-0.301408 51.399589,-0.301418 51.399609,-0.301564 51.399809,-0.301609 51.399874,-0.301620 51.399887,-0.301730 51.399962,-0.302094 51.399674,-0.302242 51.399555,-0.302272 51.399533,-0.302308 51.399496,-0.302332 51.399467,-0.302347 51.399440,-0.302355 51.399412)))
point: POINT (-0.301842 51.399539)
notes
entry-date: 2018-12-18
start-date
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.