Conservation area

There is a problem

reference: 3217
name: Seaford (Chyngton Lane)
designation-date: 1990-03-28
document-url: https://www.lewes-eastbourne.gov.uk/media/1616/Seaford-Chyngton-Lane-Conservation-Area-Appraisal/pdf/Seaford_Chyngton_Lane_Conservation_Area_Appraisal.pdf?m=1682435169603
documentation-url: https://www.lewes-eastbourne.gov.uk/article/1827/Conservation-area-appraisals-Lewes-District-Council?p=1
geometry: MULTIPOLYGON (((0.132922 50.768467,0.132966 50.768618,0.132991 50.768736,0.133045 50.768890,0.132579 50.768920,0.132508 50.768940,0.132543 50.769102,0.131888 50.769177,0.131863 50.769610,0.131918 50.769960,0.131923 50.770182,0.131963 50.770388,0.131958 50.770594,0.131522 50.770578,0.131565 50.769950,0.131196 50.769917,0.131193 50.769930,0.130699 50.769873,0.130384 50.769662,0.130479 50.769224,0.130504 50.769224,0.130533 50.769063,0.130318 50.769046,0.130280 50.769032,0.130259 50.769005,0.130302 50.768743,0.130323 50.768563,0.130340 50.768510,0.130676 50.768503,0.130678 50.768396,0.131215 50.768406,0.131206 50.768284,0.131569 50.768270,0.131603 50.768272,0.131618 50.768283,0.131861 50.768361,0.132146 50.768423,0.132622 50.768446,0.132909 50.768424,0.132922 50.768467)))
point: POINT (0.131467 50.769136)
notes: Best Map is shown on page 4 of the appraisal document.
organisation
entry-date: entry-date must be a real date
2025-04-01
start-date: 1990-03-28
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: