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: ZZZZZUESRW561
name: South Bucks District Council Tree Preservation Order No.14; 2001; dated 14/11/2001. confirmed 11/3/2
tree-preservation-order: undefined
TPO/SBDC/2001/14
tree-preservation-zone-type
geometry: MULTIPOLYGON (((-0.564763 51.585201,-0.564739 51.585258,-0.564719 51.585322,-0.564708 51.585366,-0.564698 51.585445,-0.564700 51.585453,-0.564722 51.585471,-0.564733 51.585476,-0.564747 51.585481,-0.564778 51.585487,-0.564846 51.585492,-0.564870 51.585491,-0.564887 51.585488,-0.564903 51.585481,-0.564915 51.585472,-0.564919 51.585463,-0.564919 51.585454,-0.564916 51.585447,-0.564898 51.585438,-0.564886 51.585435,-0.564863 51.585433,-0.564855 51.585430,-0.564846 51.585420,-0.564844 51.585411,-0.564849 51.585375,-0.564859 51.585340,-0.564870 51.585313,-0.564902 51.585247,-0.564905 51.585226,-0.564902 51.585216,-0.564891 51.585208,-0.564873 51.585203,-0.564853 51.585200,-0.564792 51.585195,-0.564776 51.585196,-0.564763 51.585201)))
point: POINT (-0.564802 51.585349)
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.