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: ZZZZZWESRW343
name: South Bucks District Council (No. 7) Tree Preservation Order 1989; dated 10/8/89; made under Section
tree-preservation-order: undefined
TPO/SBDC/1989/07
tree-preservation-zone-type
geometry: MULTIPOLYGON (((-0.545730 51.579631,-0.545746 51.579690,-0.545623 51.579876,-0.545992 51.580230,-0.546206 51.580472,-0.546391 51.580914,-0.546508 51.581105,-0.547017 51.581658,-0.547460 51.581400,-0.547659 51.581220,-0.547704 51.581139,-0.547742 51.581019,-0.547532 51.580833,-0.547243 51.580679,-0.546752 51.580444,-0.546512 51.580262,-0.546387 51.580141,-0.546128 51.579934,-0.545776 51.579627,-0.545730 51.579631)),((-0.541689 51.580086,-0.541410 51.580146,-0.541741 51.580477,-0.542027 51.580408,-0.542360 51.580316,-0.544019 51.579843,-0.544279 51.579782,-0.544376 51.579785,-0.544928 51.579660,-0.544902 51.579514,-0.544003 51.579594,-0.542680 51.579832,-0.542139 51.579956,-0.541956 51.580034,-0.541689 51.580086)))
point: POINT (-0.545132 51.580423)
notes
organisation
entry-date: 2020-07-20
start-date: 2017-07-04
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.