Tree preservation zone

There is a problem

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

reference: 90/00546/C/1
name: Lands House, New Hey Road, Rastrick
tree-preservation-order: undefined
90/00546/C
tree-preservation-zone-type: group
geometry: MULTIPOLYGON (((-1.802339 53.680926,-1.802378 53.680917,-1.802394 53.680887,-1.802332 53.680840,-1.802348 53.680805,-1.802297 53.680813,-1.802231 53.680846,-1.802229 53.680874,-1.802255 53.680895,-1.802339 53.680926)),((-1.802217 53.680589,-1.802265 53.680541,-1.801960 53.680424,-1.801769 53.680471,-1.801597 53.680524,-1.801257 53.680669,-1.801927 53.680913,-1.801971 53.680862,-1.801865 53.680836,-1.801821 53.680813,-1.801778 53.680778,-1.801714 53.680685,-1.801713 53.680648,-1.801728 53.680620,-1.801771 53.680581,-1.801823 53.680549,-1.801870 53.680533,-1.801926 53.680526,-1.802054 53.680541,-1.802217 53.680589)),((-1.802089 53.680795,-1.802099 53.680804,-1.802120 53.680795,-1.802107 53.680786,-1.802089 53.680795)))
point: POINT (-1.801762 53.680651)
notes: Holly, Laburnum
entry-date: 1990-09-26
start-date: 1990-09-26
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.