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: ZZZZZXESRW172
name: South Bucks District Council Tree Preservation Order (No.4) 1r982; dated 13/10/82 under Ss.60 & 61 o
tree-preservation-order: undefined
TPO/SBDC/1982/04
tree-preservation-zone-type
geometry: MULTIPOLYGON (((-0.549644 51.572246,-0.549629 51.572188,-0.549561 51.571891,-0.549517 51.571708,-0.549348 51.570949,-0.549228 51.570429,-0.549219 51.570384,-0.549051 51.570451,-0.548787 51.570465,-0.548718 51.570471,-0.548524 51.570492,-0.548484 51.570500,-0.548443 51.570511,-0.548328 51.570532,-0.548256 51.570542,-0.547873 51.570578,-0.547727 51.570588,-0.547651 51.570591,-0.547510 51.570605,-0.547366 51.570623,-0.547185 51.570649,-0.547145 51.570669,-0.547171 51.570683,-0.547261 51.570745,-0.547359 51.570809,-0.547556 51.570943,-0.547730 51.571066,-0.548032 51.571276,-0.548170 51.571378,-0.548228 51.571419,-0.548416 51.571545,-0.548664 51.571693,-0.549644 51.572246)))
point: POINT (-0.548656 51.571126)
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.