Tree preservation zone

There is a problem

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

reference: 93/00754/C/1
name: Land at Hodgeson Chemicals Ltd. Ripponden
tree-preservation-order: undefined
93/00754/C
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((-1.944601 53.672010,-1.944626 53.672046,-1.944611 53.672053,-1.944812 53.672137,-1.944852 53.672144,-1.944915 53.672160,-1.944947 53.672146,-1.944995 53.672121,-1.945048 53.672090,-1.945073 53.672073,-1.945105 53.672048,-1.945110 53.672029,-1.945107 53.671994,-1.945105 53.671989,-1.945096 53.671975,-1.945078 53.671960,-1.945068 53.671947,-1.945062 53.671942,-1.945048 53.671935,-1.945004 53.671924,-1.944972 53.671918,-1.944949 53.671916,-1.944911 53.671919,-1.944881 53.671925,-1.944740 53.671971,-1.944609 53.672006,-1.944601 53.672010)),((-1.945178 53.671930,-1.945224 53.671848,-1.945256 53.671854,-1.945210 53.671937,-1.945173 53.672008,-1.945219 53.672034,-1.945347 53.671934,-1.945370 53.671898,-1.945387 53.671864,-1.945389 53.671833,-1.945371 53.671778,-1.945329 53.671752,-1.945221 53.671708,-1.945012 53.671812,-1.944942 53.671845,-1.944862 53.671878,-1.944927 53.671872,-1.944960 53.671872,-1.944992 53.671876,-1.945053 53.671892,-1.945134 53.671920,-1.945178 53.671930)))
point: POINT (-1.945034 53.671946)
notes: Ash, sycamore, willow
entry-date: 1993-10-20
start-date: 1993-10-20
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.