Conservation area

There is a problem

reference: 3210
name: Newhaven (Church Hill)
designation-date: 1989-10-25
document-url
documentation-url
geometry: MULTIPOLYGON (((0.045962 50.791440,0.046112 50.791530,0.046162 50.791489,0.046287 50.791538,0.046074 50.791782,0.045974 50.791879,0.045915 50.791958,0.045893 50.792054,0.045902 50.792102,0.045824 50.792152,0.045713 50.792286,0.045716 50.792293,0.045696 50.792318,0.045682 50.792322,0.045606 50.792414,0.045598 50.792462,0.045607 50.792519,0.045683 50.792606,0.045784 50.792696,0.045745 50.792708,0.045596 50.792537,0.045476 50.792338,0.045327 50.792163,0.045121 50.791940,0.044958 50.791791,0.044823 50.791686,0.044370 50.791404,0.044361 50.791392,0.044450 50.791346,0.044327 50.791304,0.044833 50.791030,0.044822 50.791045,0.044995 50.790948,0.045011 50.790952,0.045024 50.790932,0.044818 50.790805,0.044883 50.790780,0.045104 50.790926,0.045443 50.791121,0.045436 50.791125,0.045592 50.791224,0.045962 50.791440)))
point: POINT (0.045331 50.791592)
notes
organisation
entry-date: entry-date must be a real date
2025-04-01
start-date: 1989-10-25
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: