Tree preservation zone

There is a problem

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

reference: LT0DT5DN0BB00
name: The Grove Druid Hill Land Adjacent To Hollybush Lane Bus Stop And Clifton High Grove Bristol BS9 1EH
tree-preservation-order: undefined
140
tree-preservation-zone-type: group
geometry: MULTIPOLYGON (((-2.632898 51.483009,-2.632616 51.483207,-2.632603 51.483291,-2.632655 51.483308,-2.632726 51.483283,-2.632773 51.483251,-2.632829 51.483255,-2.632857 51.483282,-2.633022 51.483361,-2.633092 51.483362,-2.633091 51.483504,-2.633126 51.483535,-2.633209 51.483574,-2.633247 51.483601,-2.633243 51.483624,-2.633049 51.483708,-2.632947 51.483727,-2.632902 51.483724,-2.632753 51.483737,-2.632620 51.483800,-2.632589 51.483839,-2.633222 51.484015,-2.633466 51.483696,-2.633492 51.483607,-2.633471 51.483513,-2.633443 51.483433,-2.633378 51.483315,-2.633303 51.483214,-2.633148 51.483040,-2.633009 51.483010,-2.632898 51.483009)))
point: POINT (-2.633097 51.483507)
notes: CYPRESS, HOLLY,LIME,PINE,REDWOOD,CEDAR,SWEET CHESTNUT,YEW,ASH, Sycamore, oak, box, larch, plane, ginkgo
organisation
entry-date: 2011-10-13
start-date: 2011-10-13
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.