Tree preservation zone

There is a problem

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

reference: 89/00461/C
name: Sedburgh Road, Halifax
tree-preservation-order: undefined
89/00461/C
tree-preservation-zone-type: group
geometry: MULTIPOLYGON (((-1.853814 53.715472,-1.853847 53.715378,-1.853914 53.715114,-1.853911 53.715104,-1.853905 53.715101,-1.853893 53.715100,-1.853882 53.715102,-1.853875 53.715105,-1.853827 53.715318,-1.853814 53.715385,-1.853748 53.715546,-1.853748 53.715552,-1.853751 53.715556,-1.853757 53.715559,-1.853765 53.715560,-1.853775 53.715557,-1.853779 53.715551,-1.853814 53.715472)),((-1.853459 53.715491,-1.853461 53.715496,-1.853469 53.715500,-1.853480 53.715500,-1.853488 53.715496,-1.853490 53.715491,-1.853486 53.715485,-1.853477 53.715482,-1.853465 53.715484,-1.853460 53.715488,-1.853459 53.715491)),((-1.853415 53.715176,-1.853418 53.715182,-1.853425 53.715185,-1.853438 53.715184,-1.853442 53.715182,-1.853445 53.715178,-1.853445 53.715175,-1.853442 53.715171,-1.853435 53.715168,-1.853425 53.715168,-1.853417 53.715172,-1.853415 53.715176)),((-1.853430 53.715159,-1.853432 53.715163,-1.853445 53.715168,-1.853457 53.715164,-1.853460 53.715162,-1.853461 53.715159,-1.853459 53.715154,-1.853451 53.715150,-1.853440 53.715150,-1.853432 53.715154,-1.853430 53.715159)))
point: POINT (-1.853812 53.715318)
notes: Sycamore
entry-date: 1991-09-12
start-date: 1991-09-12
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.