Tree preservation zone

There is a problem

reference: 0867
name
tree-preservation-order: 0867
tree-preservation-zone-type: area
geometry: MULTIPOLYGON (((-2.405341 51.627918,-2.403756 51.628510,-2.403862 51.628636,-2.403946 51.628963,-2.404036 51.629008,-2.404036 51.629053,-2.403972 51.629089,-2.403916 51.629169,-2.403924 51.629235,-2.404039 51.629416,-2.404121 51.629501,-2.404234 51.629531,-2.404372 51.629581,-2.404438 51.629626,-2.404463 51.629767,-2.404586 51.629927,-2.404692 51.630023,-2.404709 51.630164,-2.404906 51.630440,-2.405041 51.630573,-2.405252 51.630713,-2.405398 51.630793,-2.405464 51.630888,-2.405529 51.630929,-2.405570 51.630943,-2.405626 51.630898,-2.405658 51.630827,-2.405706 51.630757,-2.405898 51.630570,-2.405986 51.630393,-2.406154 51.630257,-2.406339 51.630140,-2.406724 51.629776,-2.406891 51.629434,-2.406853 51.629275,-2.406691 51.629260,-2.406643 51.629235,-2.406569 51.629140,-2.406472 51.629115,-2.406390 51.629065,-2.406366 51.629010,-2.406179 51.628930,-2.405991 51.628769,-2.405900 51.628573,-2.405708 51.628310,-2.405634 51.628169,-2.405439 51.628029,-2.405341 51.627918)))
point: POINT (-2.405301 51.629335)
notes
organisation
entry-date: 2025-06-12
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