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: 90/00500/C
name: Land Off Oldham Road, Ripponden
tree-preservation-order: undefined
90/00500/C
tree-preservation-zone-type: group
geometry: MULTIPOLYGON (((-1.946817 53.670653,-1.946734 53.670619,-1.946706 53.670654,-1.946632 53.670647,-1.946513 53.670678,-1.946470 53.670705,-1.946311 53.670847,-1.946046 53.671104,-1.946042 53.671129,-1.946014 53.671177,-1.945926 53.671268,-1.945749 53.671367,-1.945642 53.671439,-1.945578 53.671460,-1.945491 53.671472,-1.945049 53.671699,-1.944727 53.671848,-1.944633 53.671907,-1.944613 53.671929,-1.944609 53.671950,-1.944817 53.671893,-1.944942 53.671845,-1.945570 53.671527,-1.945605 53.671515,-1.945844 53.671475,-1.945963 53.671427,-1.946063 53.671354,-1.946401 53.670973,-1.946650 53.670825,-1.946750 53.670755,-1.946778 53.670728,-1.946817 53.670653)))
point: POINT (-1.94593 53.671233)
notes: Elm, beech, sycamore
entry-date: 1990-04-27
start-date: 1990-04-27
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.