Conservation area

There is a problem

reference: 6085
name: Pittington Hallgarth
designation-date: 1981-01-01
document-url: https://www.durham.gov.uk/media/3585/Pittington-Hallgarth-Conservation-Area-Appraisal/pdf/PittingtonHallgarthConservationAreaCharacterAppraisal.pdf?m=1537967448803
documentation-url: https://www.durham.gov.uk/conservationareas
geometry: MULTIPOLYGON (((-1.490152 54.785048,-1.488664 54.785852,-1.487820 54.786070,-1.488286 54.786659,-1.488473 54.787372,-1.488550 54.787562,-1.489674 54.787437,-1.489698 54.787597,-1.489754 54.787642,-1.490068 54.787865,-1.490289 54.787881,-1.490578 54.788562,-1.490773 54.789168,-1.490959 54.789258,-1.491288 54.788936,-1.491461 54.788831,-1.491646 54.788811,-1.491948 54.788820,-1.491764 54.788332,-1.492051 54.788155,-1.492322 54.788030,-1.492599 54.787939,-1.492859 54.787891,-1.492821 54.787729,-1.492412 54.787725,-1.492202 54.787685,-1.491938 54.786688,-1.492652 54.786598,-1.492601 54.786340,-1.492699 54.786259,-1.492626 54.785715,-1.492582 54.785550,-1.491730 54.785610,-1.491120 54.785743,-1.490921 54.785558,-1.490838 54.785497,-1.490152 54.785048)))
point: POINT (-1.49055 54.786862)
notes
organisation
entry-date: entry-date must be a real date
2025-04-01
start-date: 1981-01-01
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: