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: 1973/006.W1
name: Newbiggin Dene
tree-preservation-order: undefined
1973/006
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((-1.676911 55.013137,-1.677134 55.013062,-1.677331 55.012992,-1.677436 55.012953,-1.677608 55.012899,-1.677744 55.012842,-1.677868 55.012786,-1.677884 55.012762,-1.677929 55.012686,-1.677983 55.012628,-1.678059 55.012551,-1.678121 55.012482,-1.678188 55.012413,-1.678237 55.012270,-1.678336 55.012146,-1.678464 55.011993,-1.678439 55.011973,-1.678380 55.011944,-1.678304 55.011924,-1.678211 55.011911,-1.677869 55.011871,-1.677701 55.011858,-1.677506 55.011839,-1.677350 55.011814,-1.677191 55.011791,-1.677145 55.011772,-1.677090 55.011757,-1.676930 55.011733,-1.676824 55.011715,-1.676604 55.011721,-1.676530 55.011725,-1.676458 55.011753,-1.676439 55.011770,-1.676414 55.011813,-1.676408 55.011847,-1.676432 55.011883,-1.676568 55.012062,-1.676937 55.012539,-1.676946 55.012538,-1.676974 55.012567,-1.677027 55.012628,-1.677051 55.012658,-1.677173 55.012838,-1.677215 55.012895,-1.676994 55.012958,-1.676938 55.012976,-1.676861 55.013009,-1.676841 55.013028,-1.676813 55.013063,-1.676833 55.013101,-1.676873 55.013129,-1.676911 55.013137)))
point: POINT (-1.67741 55.012286)
notes: These data are update live via a feed to NCC's Tree Managament System, EzyTreev
entry-date: 2022-07-01
start-date: 1973-01-01
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.