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: ZZZZZXESRW157
name: South Bucks District Council (No.1) Tree Preservation Order 1989; dated 26/1/89; made under Sections
tree-preservation-order: undefined
TPO/SBDC/1989/01
tree-preservation-zone-type
geometry: MULTIPOLYGON (((-0.563445 51.575307,-0.563505 51.575273,-0.563515 51.575265,-0.563541 51.575236,-0.563598 51.575142,-0.563645 51.575072,-0.563649 51.575050,-0.563644 51.575011,-0.563637 51.574993,-0.563627 51.574981,-0.563609 51.574975,-0.563590 51.574971,-0.563550 51.574966,-0.563532 51.574966,-0.562990 51.575078,-0.562968 51.575089,-0.562960 51.575096,-0.562951 51.575108,-0.562947 51.575122,-0.562947 51.575130,-0.562945 51.575134,-0.562945 51.575147,-0.562948 51.575153,-0.563000 51.575191,-0.563095 51.575264,-0.563121 51.575281,-0.563228 51.575327,-0.563246 51.575332,-0.563265 51.575334,-0.563335 51.575335,-0.563349 51.575334,-0.563413 51.575318,-0.563445 51.575307)))
point: POINT (-0.563321 51.575148)
notes
entry-date: 2017-07-04
start-date: 2017-07-04
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.