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: TPO2015_015_A_001
name: A1
tree-preservation-order: undefined
TPO2015_015
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-1.427127 53.861568,-1.426980 53.861606,-1.427110 53.861774,-1.427135 53.861787,-1.427174 53.861785,-1.427320 53.861919,-1.427221 53.862013,-1.427147 53.862071,-1.426923 53.862154,-1.426885 53.862143,-1.426842 53.862151,-1.427038 53.862369,-1.427239 53.862549,-1.427599 53.862817,-1.427591 53.862826,-1.428144 53.863182,-1.428313 53.862925,-1.428236 53.862779,-1.428075 53.862521,-1.427978 53.862392,-1.427917 53.862280,-1.427849 53.862141,-1.427759 53.861927,-1.427748 53.861916,-1.427718 53.861822,-1.427663 53.861788,-1.427637 53.861781,-1.427610 53.861776,-1.427541 53.861782,-1.427522 53.861746,-1.427338 53.861767,-1.427127 53.861568)),((-1.427127 53.861568,-1.427127 53.861566,-1.427124 53.861566,-1.427127 53.861568)))
point: POINT (-1.427613 53.862391)
notes
entry-date: 2026-02-12
start-date
end-date

Your dataset is missing the tree-preservation-order column.

The Tree preservation zone guidance explains how to fix the issue:

The reference for the tree preservation order that covers this zone.