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: 1974/008.G2
name: Mason Farm, Dinnington
tree-preservation-order: undefined
1974/008
tree-preservation-zone-type: group
geometry: MULTIPOLYGON (((-1.673850 55.055872,-1.673801 55.055852,-1.673751 55.055821,-1.673721 55.055781,-1.673704 55.055743,-1.673694 55.055725,-1.673666 55.055714,-1.673631 55.055708,-1.673601 55.055699,-1.673543 55.055686,-1.673501 55.055673,-1.673474 55.055658,-1.673426 55.055610,-1.673364 55.055542,-1.673315 55.055512,-1.673274 55.055502,-1.673241 55.055501,-1.673213 55.055508,-1.673196 55.055515,-1.673176 55.055528,-1.673157 55.055564,-1.673150 55.055586,-1.673150 55.055607,-1.673164 55.055664,-1.673188 55.055743,-1.673262 55.055908,-1.673302 55.055971,-1.673320 55.055985,-1.673350 55.055996,-1.673393 55.056004,-1.673490 55.056016,-1.673592 55.056025,-1.673659 55.056028,-1.673730 55.056028,-1.673793 55.056024,-1.673873 55.056005,-1.673906 55.055975,-1.673915 55.055952,-1.673915 55.055929,-1.673896 55.055900,-1.673876 55.055882,-1.673850 55.055872)))
point: POINT (-1.673483 55.05581)
notes: These data are update live via a feed to NCC's Tree Managament System, EzyTreev
entry-date: 2022-07-01
start-date: 1974-01-01
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.