Article 4 direction area

There is a problem

reference: 39
name: Land at Wyburn Wood off Amersham Road - Forestry.
article-4-direction
permitted-development-rights
uprns
address-texts
geometry: MULTIPOLYGON (((-0.521817 51.671470,-0.521820 51.671435,-0.521850 51.671365,-0.521980 51.671242,-0.522025 51.671187,-0.522052 51.671140,-0.522128 51.670764,-0.522186 51.670539,-0.522236 51.670216,-0.522173 51.670192,-0.521824 51.670105,-0.521597 51.670031,-0.521318 51.669975,-0.521331 51.669746,-0.521376 51.669536,-0.521428 51.669392,-0.521481 51.669274,-0.521535 51.669205,-0.521824 51.668900,-0.521840 51.668875,-0.521842 51.668849,-0.521833 51.668817,-0.521850 51.668786,-0.521903 51.668749,-0.522027 51.668683,-0.522185 51.668630,-0.521862 51.668402,-0.521579 51.668701,-0.521233 51.669138,-0.520950 51.669422,-0.520955 51.669482,-0.520949 51.669534,-0.520900 51.669633,-0.520712 51.669897,-0.520337 51.670529,-0.519968 51.671069,-0.519876 51.671224,-0.519783 51.671408,-0.519772 51.671444,-0.519758 51.671569,-0.519769 51.671612,-0.519798 51.671671,-0.519791 51.671720,-0.519985 51.671688,-0.520542 51.671654,-0.520834 51.671599,-0.521256 51.671579,-0.521804 51.671535,-0.521817 51.671470)))
point: POINT (-0.521113 51.670583)
notes
organisation
entry-date: 2025-01-08
start-date: start-date must be a real date
end-date

Your dataset is missing the start-date column.

The Article 4 direction area guidance explains how to fix the issue:

The date that the article 4 direction came into force, written in YYYY-MM-DD format.

Example: 1984-03-28