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: 1985/010.G1
name: Chollerford Close, St Nicholas Hospital
tree-preservation-order: undefined
1985/010
tree-preservation-zone-type: group
geometry: MULTIPOLYGON (((-1.638576 55.002647,-1.638604 55.002693,-1.638649 55.002755,-1.638659 55.002786,-1.638724 55.002875,-1.639003 55.003248,-1.639036 55.003296,-1.639151 55.003448,-1.639715 55.004174,-1.639718 55.004187,-1.639681 55.004211,-1.639614 55.004235,-1.639576 55.004251,-1.639540 55.004282,-1.639517 55.004297,-1.639502 55.004316,-1.639486 55.004348,-1.639493 55.004382,-1.639526 55.004421,-1.639591 55.004513,-1.639581 55.004530,-1.639577 55.004561,-1.639630 55.004568,-1.639734 55.004558,-1.639814 55.004537,-1.639898 55.004531,-1.639943 55.004524,-1.639996 55.004501,-1.640008 55.004466,-1.639989 55.004405,-1.639844 55.004042,-1.639225 55.003195,-1.638946 55.002817,-1.638766 55.002569,-1.638701 55.002522,-1.638636 55.002496,-1.638539 55.002604,-1.638576 55.002647)))
point: POINT (-1.639349 55.003614)
notes: These data are update live via a feed to NCC's Tree Managament System, EzyTreev
entry-date: 2022-07-01
start-date: 1985-01-01
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.