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: 90/00543/C
name: Land off Wakefield Road, (Opposite Copley Grove) Copley
tree-preservation-order: undefined
90/00543/C
tree-preservation-zone-type: group
geometry: MULTIPOLYGON (((-1.873186 53.700937,-1.873268 53.701000,-1.873512 53.701021,-1.873444 53.700952,-1.873406 53.700908,-1.873392 53.700895,-1.873354 53.700854,-1.873283 53.700787,-1.873065 53.700590,-1.872977 53.700515,-1.872957 53.700504,-1.872865 53.700426,-1.872801 53.700375,-1.872733 53.700314,-1.872570 53.700181,-1.872560 53.700171,-1.872421 53.700070,-1.872122 53.699883,-1.872110 53.699874,-1.872084 53.699859,-1.871935 53.699783,-1.871619 53.699616,-1.871549 53.699661,-1.871565 53.699673,-1.871843 53.699793,-1.871844 53.699801,-1.872046 53.699892,-1.872081 53.699920,-1.872230 53.700068,-1.872270 53.700072,-1.872285 53.700078,-1.872527 53.700240,-1.872553 53.700263,-1.872651 53.700333,-1.872769 53.700424,-1.872887 53.700529,-1.872906 53.700541,-1.872932 53.700563,-1.872956 53.700594,-1.872960 53.700603,-1.872963 53.700613,-1.872964 53.700626,-1.872962 53.700637,-1.873044 53.700718,-1.873132 53.700808,-1.873176 53.700890,-1.873186 53.700937)))
point: POINT (-1.872689 53.700381)
notes: Hawthorn, sycamore
entry-date: 1990-10-10
start-date: 1990-10-10
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.