Tree preservation zone

There is a problem

reference: G145-1994
name
tree-preservation-order
tree-preservation-zone-type
geometry: MULTIPOLYGON (((0.598264 51.336212,0.598471 51.335745,0.599272 51.335849,0.599160 51.336105,0.599088 51.336245,0.599342 51.336296,0.599433 51.336324,0.600019 51.336615,0.599725 51.336975,0.600608 51.337239,0.601309 51.336332,0.602151 51.336845,0.601787 51.336965,0.601526 51.337031,0.600988 51.337209,0.600476 51.337455,0.600427 51.337515,0.600333 51.337600,0.600180 51.337769,0.600066 51.337869,0.599868 51.338101,0.599760 51.338215,0.599686 51.338302,0.599408 51.338671,0.599441 51.338822,0.599461 51.338970,0.597193 51.338429,0.598006 51.338021,0.597078 51.337360,0.597077 51.337276,0.597301 51.336973,0.597892 51.336136,0.598264 51.336212)),((0.603487 51.339450,0.603418 51.339473,0.603050 51.339586,0.602987 51.339605,0.602229 51.339853,0.600716 51.339541,0.600299 51.339437,0.600496 51.339365,0.600738 51.339303,0.601676 51.339002,0.601654 51.338843,0.601476 51.338506,0.601013 51.337995,0.600983 51.337867,0.601981 51.337439,0.602312 51.337390,0.602592 51.337703,0.603083 51.337526,0.603146 51.337670,0.603173 51.337838,0.603200 51.338108,0.602704 51.338270,0.603188 51.339015,0.603487 51.339450)))
point: POINT (0.600137 51.337834)
notes
organisation
entry-date: 2025-11-29
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