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: ZZZZZTESRW117
name: South Bucks District Council (No.17) Tree Preservation Order 1995; dated 3/5/95; made under Sections
tree-preservation-order: undefined
TPO/SBDC/1995/17
tree-preservation-zone-type
geometry: MULTIPOLYGON (((-0.631482 51.596306,-0.631547 51.596301,-0.631577 51.596295,-0.631602 51.596287,-0.631634 51.596271,-0.631666 51.596251,-0.631687 51.596229,-0.631702 51.596200,-0.631706 51.596168,-0.631703 51.596130,-0.631666 51.596057,-0.631639 51.596022,-0.631590 51.595981,-0.631524 51.595944,-0.631484 51.595925,-0.631443 51.595916,-0.631390 51.595907,-0.631346 51.595904,-0.631299 51.595907,-0.631258 51.595919,-0.631226 51.595932,-0.631172 51.595964,-0.631149 51.595987,-0.631134 51.596008,-0.631130 51.596036,-0.631129 51.596068,-0.631132 51.596109,-0.631142 51.596145,-0.631157 51.596173,-0.631187 51.596210,-0.631235 51.596248,-0.631265 51.596269,-0.631306 51.596285,-0.631337 51.596295,-0.631409 51.596306,-0.631444 51.596307,-0.631482 51.596306)))
point: POINT (-0.631412 51.59611)
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.