Conservation area document

There is a problem

conservation-area column must match the reference field in the conservation area dataset

reference: CA6
conservation-area: undefined
SCC Historic Environment Record
name: Ethelburt Avenue
documentation-url: https://www.southampton.gov.uk/conservation-areas/
document-url: https://www.southampton.gov.uk/media/bhlodkjj/ethelburt-avenue-conservation-area-appraisal-management-plan-approved_af.pdf
document-type: management-plan
notes: Most buildings covered by Article 4 Direction. Nos 5, 6, 7 & 8 Field Close and Nos 35, 37, 39 & 41 Stoneham Lane are exempt.
entry-date: 2015-01-01
start-date: 2015-01-01
end-date

Your data is missing a conservation-area.

The Conservation area document guidance explains how to fix the issue:

The reference for the conservation area this document refers to, as used in the conservation area dataset.

Example: CA1