Tree preservation zone

There is a problem

reference: tpo2013
name: South Cave - 1971
tree-preservation-order: 268
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((-0.608669 53.769781,-0.608553 53.771006,-0.608642 53.771050,-0.608749 53.771083,-0.608747 53.771137,-0.608707 53.771254,-0.607975 53.771556,-0.606913 53.771961,-0.605855 53.772270,-0.605525 53.772427,-0.605212 53.772594,-0.604812 53.772686,-0.603657 53.773197,-0.603706 53.773326,-0.602848 53.773615,-0.603216 53.774126,-0.603670 53.773936,-0.608061 53.772210,-0.609874 53.771471,-0.609668 53.771169,-0.610181 53.770929,-0.610275 53.770834,-0.610314 53.770727,-0.610046 53.770092,-0.610030 53.770028,-0.610140 53.769976,-0.610142 53.769933,-0.610073 53.769846,-0.610023 53.769717,-0.610080 53.769564,-0.609634 53.769696,-0.609653 53.769489,-0.609404 53.769479,-0.608994 53.769385,-0.608669 53.769781)))
point: POINT (-0.607328 53.771806)
notes
entry-date: 2026-03-17
start-date: start-date must be a real date
end-date

Your dataset is missing the start-date column.

The Tree preservation zone guidance explains how to fix the issue:

The date that the tree preservation order came into force, written in YYYY-MM-DD format.

Example: 1984-03-28