Conservation area

There is a problem

reference: 9231
name: Cockton Hill, Bishop Auckland
designation-date: 1993-01-01
document-url
documentation-url: https://www.durham.gov.uk/conservationareas
geometry: MULTIPOLYGON (((-1.679720 54.649939,-1.679182 54.649987,-1.678870 54.650056,-1.678849 54.650171,-1.678594 54.650979,-1.678127 54.650929,-1.677928 54.651495,-1.677135 54.654004,-1.676907 54.654592,-1.676783 54.654968,-1.676829 54.655273,-1.676324 54.655291,-1.676170 54.655861,-1.675307 54.655876,-1.675342 54.656232,-1.674081 54.656262,-1.674109 54.656551,-1.673889 54.656563,-1.673898 54.656663,-1.674291 54.656826,-1.674470 54.656878,-1.674781 54.656950,-1.674864 54.657494,-1.674762 54.657610,-1.674722 54.657763,-1.676109 54.657568,-1.676181 54.657354,-1.676692 54.657331,-1.676764 54.657033,-1.676898 54.656546,-1.677035 54.656088,-1.677306 54.655237,-1.677814 54.655226,-1.678100 54.654378,-1.678244 54.653583,-1.678473 54.652930,-1.678701 54.652939,-1.679026 54.652007,-1.679597 54.650136,-1.679720 54.649939)))
point: POINT (-1.677135 54.654375)
notes: No Appraisal document.
organisation
entry-date: entry-date must be a real date
2025-04-01
start-date: 1993-01-01
end-date

Your dataset is missing the entry-date column.

The Conservation area guidance explains how to fix the issue:

The date the record was last updated.

If the entity has never been updated, enter the same date as start-date.

Write in YYYY-MM-DD format.

Example:

2022-12-20

With dates, some data is better than no data, so: