Tree preservation zone

There is a problem

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

reference: 95/00898/C
name: Ash Plant Farm, Bradshaw.
tree-preservation-order: undefined
95/00898/C
tree-preservation-zone-type: group
geometry: MULTIPOLYGON (((-1.885248 53.766056,-1.885258 53.766065,-1.885278 53.766058,-1.885266 53.766047,-1.885248 53.766056)),((-1.884421 53.766243,-1.884360 53.766236,-1.884311 53.766242,-1.884247 53.766260,-1.884185 53.766302,-1.884565 53.766348,-1.884551 53.766319,-1.884499 53.766272,-1.884421 53.766243)),((-1.885004 53.766461,-1.885019 53.766470,-1.885034 53.766459,-1.885014 53.766452,-1.885004 53.766461)),((-1.885202 53.766236,-1.885214 53.766245,-1.885232 53.766238,-1.885220 53.766227,-1.885202 53.766236)),((-1.885232 53.766083,-1.885242 53.766092,-1.885263 53.766085,-1.885250 53.766074,-1.885232 53.766083)),((-1.885248 53.765993,-1.885258 53.766002,-1.885278 53.765995,-1.885263 53.765984,-1.885248 53.765993)),((-1.885142 53.765948,-1.885152 53.765957,-1.885172 53.765950,-1.885157 53.765939,-1.885142 53.765948)),((-1.884625 53.766274,-1.884646 53.766283,-1.884656 53.766273,-1.884636 53.766265,-1.884625 53.766274)))
point: POINT (-1.88444 53.76628)
notes: Sycamore
entry-date: 1995-06-16
start-date: 1995-06-16
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.