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: 97/01054/C
name: Land west of Brackenbed lane, Pellon
tree-preservation-order: undefined
97/01054/C
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((-1.886668 53.732276,-1.886914 53.732150,-1.887088 53.732220,-1.887287 53.732275,-1.887347 53.732239,-1.887421 53.732169,-1.887624 53.732011,-1.887732 53.731944,-1.887827 53.731918,-1.887960 53.731903,-1.888281 53.731927,-1.888865 53.732036,-1.888999 53.732086,-1.889153 53.732169,-1.889197 53.731943,-1.889282 53.731891,-1.889358 53.731866,-1.889471 53.731811,-1.889585 53.731694,-1.889402 53.731658,-1.888376 53.731496,-1.888282 53.731514,-1.888008 53.731600,-1.887835 53.731629,-1.887389 53.731629,-1.887035 53.731602,-1.886859 53.731601,-1.886731 53.731609,-1.886668 53.731625,-1.886653 53.731639,-1.886604 53.731779,-1.887305 53.731940,-1.887333 53.731952,-1.887343 53.731967,-1.887343 53.731990,-1.887342 53.732000,-1.887191 53.732024,-1.887193 53.732029,-1.886769 53.732087,-1.886681 53.732095,-1.886580 53.732093,-1.886534 53.732104,-1.886519 53.732138,-1.886534 53.732169,-1.886668 53.732276)))
point: POINT (-1.88802 53.731825)
notes: Beech, birch, hawthorn, oak, sycamore
entry-date: 1998-02-25
start-date: 1998-02-25
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.