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: IATSABDNBB000
name: Land At Westbury On Trym Cricket Club To The Rear Of Burghill Road And Grasmere Close Passage Road Westbury Bristol BS10 6TN
tree-preservation-order: undefined
487
tree-preservation-zone-type: group
geometry: MULTIPOLYGON (((-2.616166 51.501412,-2.616183 51.501384,-2.616187 51.501339,-2.616213 51.501310,-2.616208 51.501290,-2.616218 51.501245,-2.616219 51.501225,-2.616178 51.501212,-2.616151 51.501223,-2.616115 51.501260,-2.616107 51.501308,-2.616085 51.501336,-2.616062 51.501388,-2.616027 51.501407,-2.616018 51.501421,-2.616014 51.501449,-2.615995 51.501470,-2.615983 51.501511,-2.616015 51.501537,-2.616065 51.501541,-2.616085 51.501534,-2.616134 51.501493,-2.616166 51.501412)))
point: POINT (-2.61611 51.50139)
notes: SYCAMORE - Acer pseudoplatanus, ELDER - Sambucus
organisation
entry-date: 2005-01-24
start-date: 2005-01-24
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.