Tree preservation zone

There is a problem

reference: tpo1765
name: Harland Way, Cottingham No. 2 - 1970
tree-preservation-order: 181
tree-preservation-zone-type: woodland
geometry: MULTIPOLYGON (((-0.441870 53.790802,-0.442277 53.790587,-0.442260 53.790565,-0.441995 53.790682,-0.441912 53.790687,-0.441838 53.790680,-0.441773 53.790663,-0.441418 53.790477,-0.441115 53.790390,-0.440740 53.790237,-0.440159 53.790114,-0.439873 53.790088,-0.439543 53.789963,-0.439266 53.789921,-0.439147 53.789881,-0.438986 53.789709,-0.438894 53.789702,-0.438808 53.789745,-0.438731 53.789843,-0.438599 53.789874,-0.438606 53.789945,-0.438838 53.789954,-0.439326 53.790048,-0.439915 53.790210,-0.440679 53.790379,-0.441146 53.790539,-0.441870 53.790802)))
point: POINT (-0.440267 53.790232)
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