Tree preservation zone

There is a problem

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

reference: 98/01072/C
name: Land adjacent to Skircoat road, Halifax.
tree-preservation-order: undefined
98/01072/C
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((-1.860594 53.716717,-1.860773 53.716682,-1.860778 53.716690,-1.860817 53.716683,-1.860836 53.716530,-1.860841 53.716359,-1.860938 53.715646,-1.860969 53.715546,-1.861180 53.715411,-1.861213 53.715377,-1.861209 53.715313,-1.861187 53.715253,-1.861136 53.715190,-1.861064 53.715120,-1.861181 53.714878,-1.861287 53.714692,-1.861278 53.714691,-1.860764 53.715274,-1.860718 53.715350,-1.860676 53.715460,-1.860666 53.715491,-1.860656 53.715607,-1.860594 53.716717)))
point: POINT (-1.860842 53.715759)
notes: Ash, beech, hawthorn, horse chestnut, lime, maple, oak, poplar, sycamore
entry-date: 1998-09-07
start-date: 1998-09-07
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.