Tree preservation zone

There is a problem

reference: tpo3022
name: Winestead No. 1 - 1972
tree-preservation-order: 480
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-0.033839 53.695464,-0.034441 53.696238,-0.034630 53.696492,-0.034846 53.696682,-0.035013 53.696737,-0.035304 53.696736,-0.035717 53.696697,-0.036349 53.696619,-0.036681 53.696543,-0.038630 53.696293,-0.038908 53.696276,-0.039223 53.696288,-0.039299 53.696001,-0.038021 53.696051,-0.036291 53.696157,-0.036255 53.696025,-0.036234 53.696027,-0.036207 53.695909,-0.036245 53.695872,-0.036372 53.695862,-0.036287 53.695594,-0.036420 53.695575,-0.036397 53.695505,-0.036449 53.695508,-0.036380 53.695422,-0.036232 53.695021,-0.033950 53.695433,-0.033839 53.695464)))
point: POINT (-0.035899 53.695981)
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