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: TPO640
name: 22/1987
tree-preservation-order: undefined
22/1987
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((0.637580 51.292075,0.637475 51.292074,0.637180 51.292110,0.636994 51.291500,0.636806 51.290984,0.636322 51.291074,0.636256 51.291106,0.636258 51.291061,0.636248 51.291036,0.636063 51.290857,0.635917 51.290599,0.635810 51.290309,0.635819 51.290284,0.635859 51.290262,0.635920 51.290246,0.636701 51.290141,0.636803 51.290133,0.636980 51.290137,0.637492 51.290091,0.637815 51.290022,0.638098 51.290004,0.638137 51.289964,0.638142 51.289947,0.638190 51.289938,0.638310 51.289934,0.638514 51.289951,0.638912 51.289963,0.638898 51.290001,0.638853 51.290023,0.638809 51.290078,0.638798 51.290140,0.638788 51.290269,0.638832 51.290362,0.638818 51.290428,0.638831 51.290556,0.638823 51.290589,0.638800 51.290618,0.638749 51.290907,0.638778 51.291106,0.638864 51.291226,0.638913 51.291405,0.638909 51.291472,0.638852 51.291697,0.638853 51.291720,0.638893 51.291803,0.638886 51.291811,0.639054 51.291850,0.639121 51.291858,0.638989 51.291896,0.638301 51.292017,0.637653 51.292077,0.637580 51.292075)))
point: POINT (0.637646 51.290943)
notes: The Maidstone Borough Council Tree Preservation Order No 22 of 1987 under Section 60 of the Town and Country Planning Act 1971 Woodlands - W6 Mixed Deciduous trees consisting
organisation
entry-date: 1987-07-31
start-date: 1987-07-24
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.