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: T2-078-G10
name: The Southampton (Swift Road) TPO 1977
tree-preservation-order: undefined
T2-078
tree-preservation-zone-type: group
geometry: MULTIPOLYGON (((-1.377516 50.890862,-1.377542 50.890864,-1.377554 50.890820,-1.377550 50.890788,-1.377532 50.890741,-1.377499 50.890494,-1.377378 50.890476,-1.377251 50.890468,-1.377142 50.890475,-1.377080 50.890487,-1.376977 50.890501,-1.376867 50.890490,-1.376886 50.890507,-1.376919 50.890524,-1.376945 50.890562,-1.376949 50.890587,-1.376944 50.890614,-1.376980 50.890621,-1.376980 50.890586,-1.376974 50.890521,-1.377008 50.890515,-1.377077 50.890510,-1.377093 50.890561,-1.377105 50.890573,-1.377129 50.890563,-1.377110 50.890523,-1.377110 50.890508,-1.377129 50.890504,-1.377177 50.890501,-1.377220 50.890507,-1.377253 50.890521,-1.377304 50.890500,-1.377311 50.890499,-1.377344 50.890506,-1.377368 50.890526,-1.377389 50.890553,-1.377391 50.890566,-1.377250 50.890606,-1.377259 50.890625,-1.377393 50.890590,-1.377412 50.890594,-1.377429 50.890600,-1.377440 50.890625,-1.377411 50.890679,-1.377415 50.890724,-1.377460 50.890741,-1.377510 50.890770,-1.377513 50.890856,-1.377516 50.890862)))
point: POINT (-1.377336 50.890590)
notes
entry-date: 2026-07-28
start-date
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.