Tree preservation zone

There is a problem

reference: TPO 0007 (1967)/A2
name: STAPLEFORD Gog Magog
tree-preservation-order: TPO 0007 (1967)
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((0.181619 52.157619,0.181562 52.157377,0.182421 52.157164,0.183063 52.156941,0.183307 52.156815,0.183356 52.156800,0.183887 52.156509,0.184303 52.156322,0.184928 52.156080,0.185173 52.156303,0.185246 52.156356,0.185263 52.156377,0.185367 52.156447,0.185480 52.156510,0.185649 52.156533,0.185724 52.156563,0.186558 52.157060,0.186631 52.157109,0.186674 52.157144,0.186675 52.157152,0.186740 52.157180,0.186690 52.157179,0.186340 52.157295,0.185901 52.157409,0.185597 52.157499,0.185523 52.157528,0.185460 52.157569,0.185292 52.157654,0.185252 52.157666,0.185156 52.157673,0.185033 52.157701,0.184946 52.157711,0.184793 52.157721,0.184431 52.157719,0.184243 52.157710,0.184179 52.157696,0.183920 52.157580,0.183836 52.157537,0.183710 52.157452,0.183655 52.157430,0.183534 52.157401,0.183208 52.157360,0.182938 52.157369,0.182560 52.157425,0.181619 52.157619)))
point: POINT (0.184475 52.157044)
notes
entry-date: 2025-06-26
start-date: start-date must be a real date
1967-12-05
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