Conservation area

There is a problem

reference: 6921
name: Sculthorpe
designation-date: 1975-01-17
document-url
documentation-url: https://www.north-norfolk.gov.uk/tasks/conservation/view-conservation-area-appraisals/
geometry: MULTIPOLYGON (((0.815767 52.843788,0.815594 52.843809,0.815593 52.843829,0.815471 52.843851,0.815488 52.843934,0.815303 52.843953,0.814925 52.843553,0.814608 52.843288,0.814402 52.843142,0.814370 52.843142,0.814245 52.843052,0.814052 52.842981,0.813917 52.842969,0.813182 52.842966,0.813142 52.842953,0.812992 52.842930,0.812392 52.842850,0.812294 52.842831,0.812737 52.842189,0.812845 52.842025,0.812909 52.841910,0.812767 52.841860,0.812718 52.841836,0.812669 52.841799,0.812646 52.841750,0.812658 52.841693,0.812701 52.841656,0.812762 52.841627,0.813215 52.841458,0.813614 52.841320,0.813945 52.841235,0.814612 52.841089,0.815167 52.840998,0.815869 52.840916,0.817314 52.840852,0.817881 52.840862,0.817870 52.841527,0.817883 52.841691,0.817867 52.841872,0.817875 52.842239,0.817082 52.842253,0.815853 52.842259,0.815838 52.842694,0.815812 52.842933,0.815795 52.843249,0.815774 52.843471,0.815767 52.843788)))
point: POINT (0.815187 52.842056)
notes: No Appraisal document.
organisation
entry-date: entry-date must be a real date
2025-04-01
start-date: 1975-01-17
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: