Conservation area

There is a problem

reference: 65
name: Osborn Road, Fareham
designation-date: 1979-01-01
document-url: https://www.fareham.gov.uk/pdf/planning/cacaosborn.pdf
documentation-url: https://www.fareham.gov.uk/planning/conservation/osbornrd.aspx
geometry: MULTIPOLYGON (((-1.182550 50.855220,-1.182577 50.855216,-1.182566 50.855024,-1.182512 50.854618,-1.179609 50.854845,-1.176303 50.855089,-1.176249 50.855105,-1.176194 50.855138,-1.176154 50.855179,-1.176146 50.855221,-1.176204 50.855421,-1.176217 50.855580,-1.176339 50.855877,-1.176537 50.856269,-1.176622 50.856290,-1.176943 50.856261,-1.178076 50.856004,-1.178895 50.855830,-1.179375 50.855756,-1.180286 50.855637,-1.182227 50.855451,-1.182219 50.855428,-1.182571 50.855398,-1.182550 50.855220)))
point: POINT (-1.179162 50.855356)
notes: Extra documents are available.
organisation
entry-date: entry-date must be a real date
2025-04-01
start-date: 1979-01-01
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: