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: ZZZZZVESRW822
name: South Bucks District Council Tree Preservation Order No. 55; 2002 dated 17/12/2002. Confirmed with m
tree-preservation-order: undefined
TPO/SBDC/2002/55
tree-preservation-zone-type
geometry: MULTIPOLYGON (((-0.641634 51.605538,-0.641635 51.605547,-0.641639 51.605555,-0.641654 51.605570,-0.641665 51.605576,-0.641678 51.605580,-0.641691 51.605583,-0.641705 51.605584,-0.641733 51.605581,-0.641746 51.605577,-0.641757 51.605571,-0.641766 51.605565,-0.641773 51.605557,-0.641778 51.605548,-0.641779 51.605540,-0.641778 51.605531,-0.641774 51.605522,-0.641768 51.605514,-0.641759 51.605507,-0.641736 51.605497,-0.641708 51.605494,-0.641694 51.605494,-0.641680 51.605497,-0.641656 51.605506,-0.641647 51.605513,-0.641640 51.605521,-0.641636 51.605529,-0.641634 51.605538)))
point: POINT (-0.641707 51.605539)
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.