Tree preservation zone

There is a problem

453 entries with tree-preservation-order field must match the reference field in the tree preservation order dataset

reference: 97/01013/C
name: Land between Elland Road and Calder & Hebble Navigation North Cut, Brookfoot.
tree-preservation-order: undefined
97/01013/C
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((-1.793353 53.704561,-1.793375 53.704571,-1.793735 53.704337,-1.793937 53.704253,-1.794066 53.704378,-1.794131 53.704413,-1.794311 53.704485,-1.794389 53.704497,-1.794480 53.704494,-1.794560 53.704471,-1.794686 53.704393,-1.794800 53.704270,-1.794827 53.703961,-1.794844 53.703920,-1.794902 53.703895,-1.794962 53.703886,-1.795073 53.703894,-1.795377 53.704104,-1.795419 53.704110,-1.795427 53.704097,-1.795356 53.704028,-1.795141 53.703860,-1.794786 53.703646,-1.794759 53.703632,-1.794747 53.703640,-1.794542 53.703520,-1.794490 53.703546,-1.794384 53.703538,-1.794053 53.703760,-1.793965 53.703886,-1.793883 53.704135,-1.793863 53.704182,-1.793832 53.704220,-1.793766 53.704272,-1.793630 53.704339,-1.793349 53.704530,-1.793353 53.704561)))
point: POINT (-1.794413 53.704028)
notes: Birch, hawthorn, sycamore, goat willow
entry-date: 1997-06-25
start-date: 1997-06-25
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.