Tree preservation zone

There is a problem

reference: tpo2011
name: South Cave - 1971
tree-preservation-order: 268
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((-0.607203 53.767041,-0.606709 53.767207,-0.606851 53.767404,-0.606922 53.767375,-0.606941 53.767316,-0.607035 53.767200,-0.607273 53.767096,-0.607622 53.766918,-0.608081 53.766698,-0.608500 53.766585,-0.608790 53.766557,-0.609115 53.766582,-0.609438 53.766618,-0.609765 53.766589,-0.609998 53.766635,-0.610574 53.766684,-0.610900 53.766656,-0.611228 53.766585,-0.611443 53.766630,-0.611566 53.766739,-0.611527 53.766835,-0.611290 53.766896,-0.610706 53.766900,-0.610667 53.767209,-0.611648 53.766986,-0.611815 53.766870,-0.611855 53.766731,-0.611751 53.766602,-0.611394 53.766480,-0.610891 53.766410,-0.609177 53.766326,-0.608851 53.766365,-0.608340 53.766530,-0.607203 53.767041)))
point: POINT (-0.609974 53.766675)
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