Tree preservation zone

There is a problem

1000 entries with tree-preservation-order field must match the reference field in the tree preservation order dataset

reference: TPO105
name: 5/1996
tree-preservation-order: undefined
5/1996
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((0.486026 51.277498,0.486137 51.277737,0.486177 51.277793,0.486169 51.277819,0.486151 51.277831,0.485899 51.277932,0.485508 51.278116,0.484735 51.278449,0.483972 51.278722,0.483474 51.278877,0.483179 51.278955,0.482705 51.279123,0.482526 51.279222,0.482444 51.279244,0.482371 51.279249,0.482315 51.279241,0.482282 51.279219,0.482276 51.279178,0.482339 51.279079,0.482407 51.278947,0.482512 51.278699,0.482572 51.278602,0.482607 51.278578,0.482673 51.278561,0.483002 51.278509,0.483394 51.278428,0.483853 51.278306,0.484424 51.278118,0.484939 51.277910,0.485914 51.277496,0.485976 51.277485,0.486026 51.277498)))
point: POINT (0.484164 51.278388)
notes: The Maidstone Borough Council Tree Preservation Order No 5 of 1996 under Section 198 of the Town and Country Planning Act 1990 Woodlands - W3 Comprising Sweet Chestnut, Oak, Ash,
organisation
entry-date: 1996-03-07
start-date: 1996-03-07
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.