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: 1990/004.G5
name: Former Wills Factory
tree-preservation-order: undefined
1990/004
tree-preservation-zone-type: group
geometry: MULTIPOLYGON (((-1.563453 54.998888,-1.563478 54.998879,-1.563534 54.998845,-1.563584 54.998807,-1.563621 54.998773,-1.563671 54.998712,-1.563708 54.998654,-1.563728 54.998599,-1.563752 54.998524,-1.563746 54.998395,-1.563742 54.998371,-1.563723 54.998338,-1.563670 54.998305,-1.563641 54.998293,-1.563291 54.998172,-1.562959 54.998060,-1.562926 54.998052,-1.562912 54.998065,-1.562908 54.998084,-1.562916 54.998107,-1.562927 54.998122,-1.563059 54.998180,-1.563181 54.998222,-1.563289 54.998265,-1.563437 54.998345,-1.563540 54.998429,-1.563576 54.998474,-1.563588 54.998527,-1.563587 54.998592,-1.563571 54.998657,-1.563531 54.998723,-1.563478 54.998778,-1.563423 54.998822,-1.563397 54.998847,-1.563403 54.998889,-1.563453 54.998888)))
point: POINT (-1.563475 54.998422)
notes: These data are update live via a feed to NCC's Tree Managament System, EzyTreev
entry-date: 2022-07-01
start-date: 1990-01-01
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.