Conservation area

There is a problem

reference: 2697
name: Arboretum
designation-date: 1975-02-27
document-url: https://www.derby.gov.uk/media/derbycitycouncil/contentassets/documents/environmentandplanning/conservation/DerbyCityCouncil-ArboretumConservationArea.pdf
documentation-url: https://www.derby.gov.uk/environment-and-planning/conservation/conservation-areas/
geometry: MULTIPOLYGON (((-1.474634 52.911524,-1.473877 52.911395,-1.473898 52.911344,-1.473557 52.911291,-1.473347 52.911250,-1.473270 52.911403,-1.472600 52.911267,-1.472592 52.911265,-1.472608 52.911234,-1.472471 52.911207,-1.472455 52.911237,-1.471940 52.911131,-1.471936 52.911137,-1.471845 52.911118,-1.471818 52.911161,-1.470510 52.910898,-1.470289 52.910868,-1.469887 52.911091,-1.469800 52.911171,-1.469743 52.911262,-1.469684 52.911337,-1.469486 52.911282,-1.469454 52.911324,-1.469463 52.911341,-1.469424 52.911388,-1.471755 52.911777,-1.470916 52.912529,-1.471211 52.912685,-1.471385 52.912742,-1.471666 52.912893,-1.471827 52.912792,-1.471800 52.912776,-1.472020 52.912636,-1.472789 52.913035,-1.472732 52.913066,-1.472873 52.913162,-1.472787 52.913215,-1.473170 52.913556,-1.474090 52.913365,-1.475190 52.913165,-1.474484 52.911840,-1.474634 52.911524)))
point: POINT (-1.472781 52.912148)
notes: Best Map is shown on page 5 of the appraisal document.
organisation
entry-date: entry-date must be a real date
2025-04-01
start-date: 1975-02-27
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: