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: 147
name
tree-preservation-order: undefined
Riverhill Estate Worcester Park Road Worcester Park
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((-0.267988 51.375973,-0.267984 51.375960,-0.267976 51.375950,-0.267966 51.375941,-0.267941 51.375925,-0.267915 51.375911,-0.267896 51.375904,-0.267875 51.375900,-0.267863 51.375900,-0.267829 51.375905,-0.267818 51.375894,-0.267808 51.375893,-0.267802 51.375886,-0.267757 51.375899,-0.267719 51.375848,-0.267704 51.375797,-0.267695 51.375785,-0.267680 51.375786,-0.267599 51.375814,-0.267623 51.375873,-0.267652 51.375902,-0.267585 51.375921,-0.267459 51.375977,-0.267430 51.375948,-0.267274 51.376005,-0.267612 51.376097,-0.267733 51.376122,-0.267769 51.376125,-0.267795 51.376125,-0.267853 51.376119,-0.267880 51.376114,-0.267914 51.376104,-0.267932 51.376091,-0.267943 51.376079,-0.267959 51.376057,-0.267974 51.376030,-0.267984 51.376003,-0.267988 51.375973)))
point: POINT (-0.267699 51.375992)
notes
entry-date: 2018-12-18
start-date
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.