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: IBLAFZDNBB000
name: Holmwood House Nursing Home Channells Hill Westbury On Trym Bristol BS9 3AE
tree-preservation-order: undefined
347
tree-preservation-zone-type: group
geometry: MULTIPOLYGON (((-2.612789 51.495829,-2.612785 51.495814,-2.612770 51.495801,-2.612735 51.495801,-2.612728 51.495786,-2.612672 51.495760,-2.612663 51.495728,-2.612650 51.495719,-2.612670 51.495709,-2.612664 51.495697,-2.612647 51.495697,-2.612637 51.495716,-2.612622 51.495724,-2.612597 51.495722,-2.612577 51.495742,-2.612556 51.495743,-2.612535 51.495730,-2.612547 51.495714,-2.612533 51.495704,-2.612498 51.495703,-2.612492 51.495729,-2.612509 51.495769,-2.612642 51.495902,-2.612647 51.495921,-2.612675 51.495936,-2.612716 51.495921,-2.612722 51.495905,-2.612733 51.495899,-2.612733 51.495882,-2.612723 51.495878,-2.612729 51.495864,-2.612789 51.495829)))
point: POINT (-2.612641 51.49581)
notes: SILVER BIRCH,REDWOOD,HOLLY,LAWSON CYPRESS,SCOTS PINE,HOLM OAK,SAWARA CYPRESS
organisation
entry-date: 2005-02-08
start-date: 2005-02-08
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.