Conservation area

There is a problem

reference: 75
name: Swanwick Shore
designation-date: 1994-01-01
document-url: https://www.fareham.gov.uk/pdf/planning/cacaswan.pdf
documentation-url: https://www.fareham.gov.uk/planning/conservation/swanwick.aspx
geometry: MULTIPOLYGON (((-1.297618 50.880969,-1.297554 50.880915,-1.297452 50.880855,-1.297255 50.880797,-1.297257 50.880778,-1.297272 50.880756,-1.297270 50.880737,-1.297211 50.880662,-1.297106 50.880577,-1.297105 50.880539,-1.297093 50.880507,-1.297071 50.880480,-1.297056 50.880464,-1.296985 50.880431,-1.296982 50.880417,-1.296997 50.880390,-1.296992 50.880365,-1.296958 50.880326,-1.296921 50.880293,-1.296852 50.880267,-1.296777 50.880250,-1.296752 50.880233,-1.296740 50.880203,-1.296640 50.880123,-1.296570 50.880034,-1.296527 50.879967,-1.296524 50.879907,-1.296503 50.879835,-1.295527 50.880061,-1.294893 50.880226,-1.294850 50.880391,-1.295200 50.880690,-1.295654 50.881004,-1.296000 50.881268,-1.296392 50.881521,-1.296563 50.881615,-1.296787 50.881554,-1.296749 50.881497,-1.297126 50.881391,-1.297274 50.881357,-1.297326 50.881358,-1.297283 50.881264,-1.297193 50.881111,-1.297534 50.881007,-1.297618 50.880969)))
point: POINT (-1.296252 50.880692)
notes: Extra documents are available.
organisation
entry-date: entry-date must be a real date
2025-04-01
start-date: 1994-01-01
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: