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: 93/00785/C
name: Land off Gratrix Lane, Sowerby Bridge
tree-preservation-order: undefined
93/00785/C
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((-1.905906 53.712167,-1.905917 53.712166,-1.905887 53.712066,-1.905891 53.711941,-1.905765 53.711857,-1.905542 53.711603,-1.905529 53.711591,-1.905518 53.711598,-1.905426 53.711676,-1.905394 53.711722,-1.905527 53.711866,-1.905606 53.711998,-1.905662 53.712129,-1.905647 53.712208,-1.905647 53.712347,-1.905716 53.712327,-1.905776 53.712296,-1.905835 53.712248,-1.905906 53.712167)),((-1.904833 53.711651,-1.904853 53.711660,-1.904863 53.711648,-1.904846 53.711642,-1.904833 53.711651)),((-1.904682 53.711678,-1.904699 53.711687,-1.904712 53.711676,-1.904692 53.711669,-1.904682 53.711678)))
point: POINT (-1.905681 53.711967)
notes: Beech, ash, lime, sycamore
entry-date: 1993-12-22
start-date: 1993-12-22
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.